projects/ldc: gen/asmstmt.cpp annotate

annotate gen/asmstmt.cpp @ 622:26fce59fe80a

Wrapped all the most potentially expensive logging calls in a conditional to only do work when actually requested. Commented some logging calls that could potentially write out many megabytes of type dumps.

author	Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date	Wed, 01 Oct 2008 18:32:31 +0200
parents	c7d7e2282ba3
children	a58784e0f035

rev	line source
304 3ebc136702dd [svn r325] Removed dead code. ChristianK parents: 303 diff changeset	1 // Taken from GDC source tree. Original by David Friedman.
3ebc136702dd [svn r325] Removed dead code. ChristianK parents: 303 diff changeset	2 // Released under the Artistic License found in dmd/artistic.txt
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	3
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	4 #include "gen/llvm.h"
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	5 #include "llvm/InlineAsm.h"
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	6
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	7 //#include "d-gcc-includes.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	8 //#include "total.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	9 #include "dmd/statement.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	10 #include "dmd/scope.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	11 #include "dmd/declaration.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	12 #include "dmd/dsymbol.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	13
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	14 #include <cassert>
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	15 #include <deque>
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	16 #include <iostream>
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	17 #include <sstream>
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	18 #include <cstring>
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	19
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	20 //#include "d-lang.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	21 //#include "d-codegen.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	22
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	23 #include "gen/irstate.h"
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	24 #include "gen/dvalue.h"
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	25 #include "gen/tollvm.h"
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	26 #include "gen/logger.h"
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	27 #include "gen/todebug.h"
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	28 #include "gen/llvmhelpers.h"
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	29
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	30 typedef enum {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	31 Arg_Integer,
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	32 Arg_Pointer,
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	33 Arg_Memory,
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	34 Arg_FrameRelative,
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	35 Arg_LocalSize,
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	36 Arg_Dollar
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	37 } AsmArgType;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	38
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	39 typedef enum {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	40 Mode_Input,
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	41 Mode_Output,
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	42 Mode_Update
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	43 } AsmArgMode;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	44
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	45 struct AsmArg {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	46 AsmArgType type;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	47 Expression * expr;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	48 AsmArgMode mode;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	49 AsmArg(AsmArgType type, Expression * expr, AsmArgMode mode) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	50 this->type = type;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	51 this->expr = expr;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	52 this->mode = mode;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	53 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	54 };
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	55
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	56 struct AsmCode {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	57 char * insnTemplate;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	58 unsigned insnTemplateLen;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	59 Array args; // of AsmArg
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	60 unsigned moreRegs;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	61 unsigned dollarLabel;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	62 int clobbersMemory;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	63 AsmCode() {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	64 insnTemplate = NULL;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	65 insnTemplateLen = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	66 moreRegs = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	67 dollarLabel = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	68 clobbersMemory = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	69 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	70 };
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	71
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	72 AsmStatement::AsmStatement(Loc loc, Token *tokens) :
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	73 Statement(loc)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	74 {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	75 this->tokens = tokens; // Do I need to copy these?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	76 asmcode = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	77 asmalign = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	78 refparam = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	79 naked = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	80 regs = 0;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	81
df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	82 isBranchToLabel = NULL;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	83 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	84
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	85 Statement *AsmStatement::syntaxCopy()
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	86 {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	87 // copy tokens? copy 'code'?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	88 AsmStatement * a_s = new AsmStatement(loc,tokens);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	89 a_s->asmcode = asmcode;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	90 a_s->refparam = refparam;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	91 a_s->naked = naked;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	92 a_s->regs = a_s->regs;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	93 return a_s;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	94 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	95
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	96 void AsmStatement::toCBuffer(OutBuffer buf, HdrGenState hgs)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	97 {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	98 bool sep = 0, nsep = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	99 buf->writestring("asm { ");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	100
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	101 for (Token * t = tokens; t; t = t->next) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	102 switch (t->value) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	103 case TOKlparen:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	104 case TOKrparen:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	105 case TOKlbracket:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	106 case TOKrbracket:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	107 case TOKcolon:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	108 case TOKsemicolon:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	109 case TOKcomma:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	110 case TOKstring:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	111 case TOKcharv:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	112 case TOKwcharv:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	113 case TOKdcharv:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	114 nsep = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	115 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	116 default:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	117 nsep = 1;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	118 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	119 if (sep + nsep == 2)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	120 buf->writeByte(' ');
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	121 sep = nsep;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	122 buf->writestring(t->toChars());
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	123 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	124 buf->writestring("; }");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	125 buf->writenl();
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	126 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	127
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	128 int AsmStatement::comeFrom()
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	129 {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	130 return FALSE;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	131 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	132
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	133
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	134 #include "d-asm-i386.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	135
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	136 bool d_have_inline_asm() { return true; }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	137
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	138 Statement AsmStatement::semantic(Scope sc)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	139 {
237 a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	140 bool err = false;
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	141 if (global.params.cpu != ARCHx86)
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	142 {
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	143 error("inline asm is not supported for the \"%s\" architecture", global.params.llvmArch);
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	144 err = true;
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	145 }
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	146 if (!global.params.useInlineAsm)
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	147 {
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	148 error("inline asm is not allowed when the -noasm switch is used");
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	149 err = true;
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	150 }
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	151 if (err)
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	152 fatal();
a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	153
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	154 sc->func->inlineAsm = 1;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	155 sc->func->inlineStatus = ILSno; // %% not sure
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	156 // %% need to set DECL_UNINLINABLE too?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	157 sc->func->hasReturnExp = 1; // %% DMD does this, apparently...
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	158
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	159 // empty statement -- still do the above things because they might be expected?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	160 if (! tokens)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	161 return this;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	162
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	163 AsmProcessor ap(sc, this);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	164 ap.run();
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	165 return this;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	166 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	167
336 aaade6ded589 [svn r357] Merged DMD 1.033 lindquist parents: 312 diff changeset	168 int AsmStatement::blockExit()
aaade6ded589 [svn r357] Merged DMD 1.033 lindquist parents: 312 diff changeset	169 {
aaade6ded589 [svn r357] Merged DMD 1.033 lindquist parents: 312 diff changeset	170 //printf("AsmStatement::blockExit(%p)\n", this);
aaade6ded589 [svn r357] Merged DMD 1.033 lindquist parents: 312 diff changeset	171 return BEfallthru \| BEreturn \| BEgoto \| BEhalt;
aaade6ded589 [svn r357] Merged DMD 1.033 lindquist parents: 312 diff changeset	172 }
aaade6ded589 [svn r357] Merged DMD 1.033 lindquist parents: 312 diff changeset	173
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	174 void
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	175 AsmStatement::toIR(IRState * irs)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	176 {
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	177 Logger::println("AsmStatement::toIR(): %s", loc.toChars());
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	178 LOG_SCOPE;
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	179
533 2fe2d4518618 Reverted some changes in the Tango patch, splitting asm block is simply not supported by llvm. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 479 diff changeset	180 // sanity check
2fe2d4518618 Reverted some changes in the Tango patch, splitting asm block is simply not supported by llvm. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 479 diff changeset	181 assert(irs->func()->decl->inlineAsm);
2fe2d4518618 Reverted some changes in the Tango patch, splitting asm block is simply not supported by llvm. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 479 diff changeset	182
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	183 // get asm block
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	184 IRAsmBlock* asmblock = irs->asmBlock;
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	185 assert(asmblock);
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	186
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	187 // debug info
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	188 if (global.params.symdebug)
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	189 DtoDwarfStopPoint(loc.linnum);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	190
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	191 if (! asmcode)
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	192 return;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	193
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	194 static std::string i_cns = "i";
231 61aa721a6b7f [svn r247] fixed accessing global symbols from inline asm. lindquist parents: 229 diff changeset	195 static std::string p_cns = "i";
222 251548c1035d [svn r238] use m for memory input constraints and pass in their address ChristianK* parents: 221 diff changeset	196 static std::string m_cns = "*m";
221 68687d8c3e9a [svn r237] some inline asm output now seems to work, see tangotests/asm2.d lindquist parents: 220 diff changeset	197 static std::string mw_cns = "=*m";
223 5ffca623b5df [svn r239] also use indirect modifier for update constraints ChristianK parents: 222 diff changeset	198 static std::string mrw_cns = "+*m";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	199 static std::string memory_name = "memory";
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	200
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	201 AsmCode * code = (AsmCode *) asmcode;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	202 std::deque<LLValue*> input_values;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	203 std::deque<std::string> input_constraints;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	204 std::deque<LLValue*> output_values;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	205 std::deque<std::string> output_constraints;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	206 std::deque<std::string> clobbers;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	207
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	208 // FIXME
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	209 #define HOST_WIDE_INT long
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	210 HOST_WIDE_INT var_frame_offset; // "frame_offset" is a macro
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	211 bool clobbers_mem = code->clobbersMemory;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	212 int input_idx = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	213 int n_outputs = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	214 int arg_map[10];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	215
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	216 assert(code->args.dim <= 10);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	217
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	218 for (unsigned i = 0; i < code->args.dim; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	219 AsmArg * arg = (AsmArg *) code->args.data[i];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	220
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	221 bool is_input = true;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	222 LLValue* arg_val = 0;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	223 std::string cns;
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	224
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	225 switch (arg->type) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	226 case Arg_Integer:
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	227 arg_val = arg->expr->toElem(irs)->getRVal();
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	228 do_integer:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	229 cns = i_cns;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	230 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	231 case Arg_Pointer:
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	232 assert(arg->expr->op == TOKvar);
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	233 arg_val = arg->expr->toElem(irs)->getRVal();
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	234 cns = p_cns;
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	235
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	236 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	237 case Arg_Memory:
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	238 arg_val = arg->expr->toElem(irs)->getRVal();
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	239
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	240 switch (arg->mode) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	241 case Mode_Input: cns = m_cns; break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	242 case Mode_Output: cns = mw_cns; is_input = false; break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	243 case Mode_Update: cns = mrw_cns; is_input = false; break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	244 default: assert(0); break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	245 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	246 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	247 case Arg_FrameRelative:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	248 // FIXME
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	249 std::cout << "asm fixme Arg_FrameRelative" << std::endl;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	250 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	251 /* if (arg->expr->op == TOKvar)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	252 arg_val = ((VarExp *) arg->expr)->var->toSymbol()->Stree;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	253 else
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	254 assert(0);*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	255 if ( getFrameRelativeValue(arg_val, & var_frame_offset) ) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	256 // arg_val = irs->integerConstant(var_frame_offset);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	257 cns = i_cns;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	258 } else {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	259 this->error("%s", "argument not frame relative");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	260 return;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	261 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	262 if (arg->mode != Mode_Input)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	263 clobbers_mem = true;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	264 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	265 case Arg_LocalSize:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	266 // FIXME
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	267 std::cout << "asm fixme Arg_LocalSize" << std::endl;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	268 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	269 /* var_frame_offset = cfun->x_frame_offset;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	270 if (var_frame_offset < 0)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	271 var_frame_offset = - var_frame_offset;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	272 arg_val = irs->integerConstant( var_frame_offset );*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	273 goto do_integer;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	274 default:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	275 assert(0);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	276 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	277
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	278 if (is_input) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	279 arg_map[i] = --input_idx;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	280 //inputs.cons(tree_cons(NULL_TREE, cns, NULL_TREE), arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	281 input_values.push_back(arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	282 input_constraints.push_back(cns);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	283 } else {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	284 arg_map[i] = n_outputs++;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	285 //outputs.cons(tree_cons(NULL_TREE, cns, NULL_TREE), arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	286 output_values.push_back(arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	287 output_constraints.push_back(cns);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	288 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	289 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	290
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	291 // Telling GCC that callee-saved registers are clobbered makes it preserve
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	292 // those registers. This changes the stack from what a naked function
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	293 // expects.
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	294
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	295 // FIXME
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	296 // if (! irs->func->naked) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	297 for (int i = 0; i < 32; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	298 if (regs & (1 << i)) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	299 //clobbers.cons(NULL_TREE, regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	300 clobbers.push_back(regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	301 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	302 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	303 for (int i = 0; i < 32; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	304 if (code->moreRegs & (1 << (i-32))) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	305 //clobbers.cons(NULL_TREE, regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	306 clobbers.push_back(regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	307 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	308 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	309 if (clobbers_mem)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	310 clobbers.push_back(memory_name);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	311 //clobbers.cons(NULL_TREE, memory_name);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	312 // }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	313
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	314
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	315 // Remap argument numbers
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	316 for (unsigned i = 0; i < code->args.dim; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	317 if (arg_map[i] < 0)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	318 arg_map[i] = -arg_map[i] - 1 + n_outputs;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	319 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	320
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	321 bool pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	322 char * p = code->insnTemplate;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	323 char * q = p + code->insnTemplateLen;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	324 //printf("start: %.*s\n", code->insnTemplateLen, code->insnTemplate);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	325 while (p < q) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	326 if (pct) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	327 if (p >= '0' && p <= '9') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	328 // %% doesn't check against nargs
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	329 p = '0' + arg_map[p - '0'];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	330 pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	331 } else if (*p == '$') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	332 pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	333 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	334 //assert(*p == '%');// could be 'a', etc. so forget it..
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	335 } else if (*p == '$')
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	336 pct = true;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	337 ++p;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	338 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	339
237 a168a2c3ea48 [svn r253] Removed -inlineasm option. inline asm is now enabled by default unless the new -noasm option is passed. lindquist parents: 234 diff changeset	340 Logger::println("final asm: %.*s", code->insnTemplateLen, code->insnTemplate);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	341
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	342 std::string insnt(code->insnTemplate, code->insnTemplateLen);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	343
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	344 // rewrite GCC-style constraints to LLVM-style constraints
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	345 std::string llvmOutConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	346 std::string llvmInConstraints;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	347 int n = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	348 typedef std::deque<std::string>::iterator it;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	349 for(it i = output_constraints.begin(), e = output_constraints.end(); i != e; ++i, ++n) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	350 // rewrite update constraint to in and out constraints
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	351 if((*i)[0] == '+') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	352 (*i)[0] = '=';
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	353 std::string input_constraint;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	354 std::stringstream ss;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	355 ss << n;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	356 ss >> input_constraint;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	357 //FIXME: I think multiple inout constraints will mess up the order!
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	358 input_constraints.push_front(input_constraint);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	359 input_values.push_front(output_values[n]);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	360 }
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	361 llvmOutConstraints += *i;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	362 llvmOutConstraints += ",";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	363 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	364 for(it i = input_constraints.begin(), e = input_constraints.end(); i != e; ++i) {
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	365 llvmInConstraints += *i;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	366 llvmInConstraints += ",";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	367 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	368
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	369 std::string clobstr;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	370 for(it i = clobbers.begin(), e = clobbers.end(); i != e; ++i) {
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	371 clobstr = "~{" + *i + "},";
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	372 asmblock->clobs.insert(clobstr);
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	373 }
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	374
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	375 // excessive commas are removed later...
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	376
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	377 // push asm statement
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	378 IRAsmStmt* asmStmt = new IRAsmStmt;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	379 asmStmt->code = insnt;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	380 asmStmt->out_c = llvmOutConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	381 asmStmt->in_c = llvmInConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	382 asmStmt->out.insert(asmStmt->out.begin(), output_values.begin(), output_values.end());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	383 asmStmt->in.insert(asmStmt->in.begin(), input_values.begin(), input_values.end());
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	384 asmStmt->isBranchToLabel = isBranchToLabel;
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	385 asmblock->s.push_back(asmStmt);
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	386 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	387
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	388 //////////////////////////////////////////////////////////////////////////////
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	389
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	390 AsmBlockStatement::AsmBlockStatement(Loc loc, Statements* s)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	391 : CompoundStatement(loc, s)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	392 {
309 d59c363fccad [svn r330] Implemented synchronized statements. lindquist parents: 305 diff changeset	393 enclosinghandler = NULL;
356 44daf304421c [svn r377] The previous check was too strict, it completely disallowed gotos within finally blocks. This reenables them as long as they don't cross a finally boundary. ChristianK parents: 336 diff changeset	394 tf = NULL;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	395 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	396
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	397 // rewrite argument indices to the block scope indices
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	398 static void remap_outargs(std::string& insnt, size_t nargs, size_t& idx)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	399 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	400 static const std::string digits[10] =
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	401 {
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	402 "0","1","2","3","4",
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	403 "5","6","7","8","9"
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	404 };
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	405 assert(nargs <= 10);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	406
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	407 static const std::string prefix("<<out");
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	408 static const std::string suffix(">>");
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	409 std::string argnum;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	410 std::string needle;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	411 char buf[10];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	412 for (unsigned i = 0; i < nargs; i++) {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	413 needle = prefix + digits[i] + suffix;
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	414 size_t pos = insnt.find(needle);
303 4aa2b6753059 [svn r324] Small indentation fixes. ChristianK parents: 302 diff changeset	415 if(std::string::npos != pos)
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	416 sprintf(buf, "%u", idx++);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	417 while(std::string::npos != (pos = insnt.find(needle)))
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	418 insnt.replace(pos, needle.size(), buf);
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	419 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	420 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	421
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	422 // rewrite argument indices to the block scope indices
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	423 static void remap_inargs(std::string& insnt, size_t nargs, size_t& idx)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	424 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	425 static const std::string digits[10] =
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	426 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	427 "0","1","2","3","4",
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	428 "5","6","7","8","9"
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	429 };
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	430 assert(nargs <= 10);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	431
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	432 static const std::string prefix("<<in");
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	433 static const std::string suffix(">>");
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	434 std::string argnum;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	435 std::string needle;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	436 char buf[10];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	437 for (unsigned i = 0; i < nargs; i++) {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	438 needle = prefix + digits[i] + suffix;
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	439 size_t pos = insnt.find(needle);
303 4aa2b6753059 [svn r324] Small indentation fixes. ChristianK parents: 302 diff changeset	440 if(std::string::npos != pos)
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	441 sprintf(buf, "%u", idx++);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	442 while(std::string::npos != (pos = insnt.find(needle)))
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	443 insnt.replace(pos, needle.size(), buf);
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	444 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	445 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	446
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	447 void AsmBlockStatement::toIR(IRState* p)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	448 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	449 Logger::println("AsmBlockStatement::toIR(): %s", loc.toChars());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	450 LOG_SCOPE;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	451 Logger::println("BEGIN ASM");
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	452
584 c7d7e2282ba3 Make sure functions containing inline asm are never inlined to avoid Christian Kamm <kamm incasoftware de> parents: 533 diff changeset	453 // disable inlining
c7d7e2282ba3 Make sure functions containing inline asm are never inlined to avoid Christian Kamm <kamm incasoftware de> parents: 533 diff changeset	454 gIR->func()->setNeverInline();
c7d7e2282ba3 Make sure functions containing inline asm are never inlined to avoid Christian Kamm <kamm incasoftware de> parents: 533 diff changeset	455
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	456 // create asm block structure
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	457 assert(!p->asmBlock);
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	458 IRAsmBlock* asmblock = new IRAsmBlock;
239 fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	459 assert(asmblock);
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	460 p->asmBlock = asmblock;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	461
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	462 // do asm statements
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	463 for (int i=0; i<statements->dim; i++)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	464 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	465 Statement* s = (Statement*)statements->data[i];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	466 if (s) {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	467 s->toIR(p);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	468 }
220 ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	469 }
ccc2e6898a78 [svn r236] added initial codegen of inline asm, pretty buggy and incomplete still. see the tangotests/asm1.d test for a sample of what does lindquist parents: 219 diff changeset	470
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	471 // build forwarder for in-asm branches to external labels
df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	472 // this additional asm code sets the __llvm_jump_target variable
df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	473 // to a unique value that will identify the jump target in
df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	474 // a post-asm switch
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	475
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	476 // maps each goto destination to its special value
553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	477 std::map<Identifier*, int> gotoToVal;
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	478
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	479 // location of the special value determining the goto label
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	480 // will be set if post-asm dispatcher block is needed
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	481 llvm::AllocaInst* jump_target;
301 f42a1090e895 [svn r322] More asm-to-outside jumping work. Unfinished. ChristianK parents: 300 diff changeset	482
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	483 {
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	484 FuncDeclaration* fd = gIR->func()->decl;
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	485 char* fdmangle = fd->mangle();
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	486
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	487 // we use a simple static counter to make sure the new end labels are unique
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	488 static size_t uniqueLabelsId = 0;
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	489 std::ostringstream asmGotoEndLabel;
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	490 asmGotoEndLabel << "." << fdmangle << "__llvm_asm_end" << uniqueLabelsId++;
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	491
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	492 // initialize the setter statement we're going to build
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	493 IRAsmStmt* outSetterStmt = new IRAsmStmt;
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	494 std::string asmGotoEnd = "jmp "+asmGotoEndLabel.str()+" ; ";
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	495 std::ostringstream code;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	496 code << asmGotoEnd;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	497
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	498 int n_goto = 1;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	499
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	500 size_t n = asmblock->s.size();
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	501 for(size_t i=0; i<n; ++i)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	502 {
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	503 IRAsmStmt* a = asmblock->s[i];
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	504
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	505 // skip non-branch statements
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	506 if(!a->isBranchToLabel)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	507 continue;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	508
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	509 // if internal, no special handling is necessary, skip
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	510 std::vector<Identifier*>::const_iterator it, end;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	511 end = asmblock->internalLabels.end();
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	512 bool skip = false;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	513 for(it = asmblock->internalLabels.begin(); it != end; ++it)
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	514 if((*it)->equals(a->isBranchToLabel))
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	515 skip = true;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	516 if(skip)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	517 continue;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	518
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	519 // if we already set things up for this branch target, skip
553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	520 if(gotoToVal.find(a->isBranchToLabel) != gotoToVal.end())
553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	521 continue;
553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	522
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	523 // record that the jump needs to be handled in the post-asm dispatcher
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	524 gotoToVal[a->isBranchToLabel] = n_goto;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	525
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	526 // provide an in-asm target for the branch and set value
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	527 Logger::println("statement '%s' references outer label '%s': creating forwarder", a->code.c_str(), a->isBranchToLabel->string);
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	528 code << fdmangle << '_' << a->isBranchToLabel->string << ": ; ";
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	529 code << "movl $<<in" << n_goto << ">>, $<<out0>> ; ";
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	530 //FIXME: Store the value -> label mapping somewhere, so it can be referenced later
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	531 outSetterStmt->in.push_back(DtoConstUint(n_goto));
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	532 outSetterStmt->in_c += "i,";
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	533 code << asmGotoEnd;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	534
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	535 ++n_goto;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	536 }
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	537 if(code.str() != asmGotoEnd)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	538 {
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	539 // finalize code
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	540 outSetterStmt->code = code.str();
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	541 outSetterStmt->code += asmGotoEndLabel.str()+": ; ";
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	542
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	543 // create storage for and initialize the temporary
479 672eb4893b55 Move AllocaInst creation into DtoAlloca helper. Will enable special zero-init of fp80 reals' padding. Christian Kamm <kamm incasoftware de> parents: 356 diff changeset	544 jump_target = DtoAlloca(LLType::Int32Ty, "__llvm_jump_target");
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	545 gIR->ir->CreateStore(DtoConstUint(0), jump_target);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	546 // setup variable for output from asm
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	547 outSetterStmt->out_c = "=*m,";
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	548 outSetterStmt->out.push_back(jump_target);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	549
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	550 asmblock->s.push_back(outSetterStmt);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	551 }
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	552 else
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	553 delete outSetterStmt;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	554 }
df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	555
df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	556
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	557 // build asm block
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	558 std::vector<LLValue*> outargs;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	559 std::vector<LLValue*> inargs;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	560 std::vector<const LLType*> outtypes;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	561 std::vector<const LLType*> intypes;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	562 std::string out_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	563 std::string in_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	564 std::string clobbers;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	565 std::string code;
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	566 size_t asmIdx = 0;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	567
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	568 size_t n = asmblock->s.size();
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	569 for (size_t i=0; i<n; ++i)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	570 {
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	571 IRAsmStmt* a = asmblock->s[i];
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	572 assert(a);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	573 size_t onn = a->out.size();
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	574 for (size_t j=0; j<onn; ++j)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	575 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	576 outargs.push_back(a->out[j]);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	577 outtypes.push_back(a->out[j]->getType());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	578 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	579 if (!a->out_c.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	580 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	581 out_c += a->out_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	582 }
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	583 remap_outargs(a->code, onn+a->in.size(), asmIdx);
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	584 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	585 for (size_t i=0; i<n; ++i)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	586 {
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	587 IRAsmStmt* a = asmblock->s[i];
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	588 assert(a);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	589 size_t inn = a->in.size();
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	590 for (size_t j=0; j<inn; ++j)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	591 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	592 inargs.push_back(a->in[j]);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	593 intypes.push_back(a->in[j]->getType());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	594 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	595 if (!a->in_c.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	596 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	597 in_c += a->in_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	598 }
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	599 remap_inargs(a->code, inn+a->out.size(), asmIdx);
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	600 if (!code.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	601 code += " ; ";
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	602 code += a->code;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	603 }
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	604 asmblock->s.clear();
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	605
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	606 // append inputs
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	607 out_c += in_c;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	608
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	609 // append clobbers
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	610 typedef std::set<std::string>::iterator clobs_it;
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	611 for (clobs_it i=asmblock->clobs.begin(); i!=asmblock->clobs.end(); ++i)
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	612 {
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	613 out_c += *i;
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	614 }
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	615
76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	616 // remove excessive comma
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	617 if (!out_c.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	618 out_c.resize(out_c.size()-1);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	619
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	620 Logger::println("code = \"%s\"", code.c_str());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	621 Logger::println("constraints = \"%s\"", out_c.c_str());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	622
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	623 std::vector<const LLType*> types;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	624 types.insert(types.end(), outtypes.begin(), outtypes.end());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	625 types.insert(types.end(), intypes.begin(), intypes.end());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	626 llvm::FunctionType* fty = llvm::FunctionType::get(llvm::Type::VoidTy, types, false);
622 26fce59fe80a Wrapped all the most potentially expensive logging calls in a conditional to only do work when actually requested. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 584 diff changeset	627 if (Logger::enabled())
26fce59fe80a Wrapped all the most potentially expensive logging calls in a conditional to only do work when actually requested. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 584 diff changeset	628 Logger::cout() << "function type = " << *fty << '\n';
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	629 llvm::InlineAsm* ia = llvm::InlineAsm::get(fty, code, out_c, true);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	630
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	631 std::vector<LLValue*> args;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	632 args.insert(args.end(), outargs.begin(), outargs.end());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	633 args.insert(args.end(), inargs.begin(), inargs.end());
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	634 llvm::CallInst* call = p->ir->CreateCall(ia, args.begin(), args.end(), "");
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	635
233 76ee1bbe487e [svn r249] Changed inline asm clobbers to a set instead of a list so we don't get duplicate clobbers. lindquist parents: 232 diff changeset	636 p->asmBlock = NULL;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	637 Logger::println("END ASM");
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	638
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	639 // if asm contained external branches, emit goto forwarder code
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	640 if(!gotoToVal.empty())
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	641 {
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	642 assert(jump_target);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	643
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	644 // make new blocks
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	645 llvm::BasicBlock* oldend = gIR->scopeend();
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	646 llvm::BasicBlock* bb = llvm::BasicBlock::Create("afterasmgotoforwarder", p->topfunc(), oldend);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	647
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	648 llvm::LoadInst* val = p->ir->CreateLoad(jump_target, "__llvm_jump_target_value");
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	649 llvm::SwitchInst* sw = p->ir->CreateSwitch(val, bb, gotoToVal.size());
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	650
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	651 // add all cases
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	652 std::map<Identifier*, int>::iterator it, end = gotoToVal.end();
553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	653 for(it = gotoToVal.begin(); it != end; ++it)
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	654 {
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	655 llvm::BasicBlock* casebb = llvm::BasicBlock::Create("case", p->topfunc(), bb);
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	656 sw->addCase(llvm::ConstantInt::get(llvm::IntegerType::get(32), it->second), casebb);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	657
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	658 p->scope() = IRScope(casebb,bb);
356 44daf304421c [svn r377] The previous check was too strict, it completely disallowed gotos within finally blocks. This reenables them as long as they don't cross a finally boundary. ChristianK parents: 336 diff changeset	659 DtoGoto(&loc, it->first, enclosinghandler, tf);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	660 }
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	661
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	662 p->scope() = IRScope(bb,oldend);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	663 }
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	664 }
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	665
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	666 // the whole idea of this statement is to avoid the flattening
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	667 Statements* AsmBlockStatement::flatten(Scope* sc)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	668 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	669 return NULL;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	670 }
239 fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	671
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	672 Statement *AsmBlockStatement::syntaxCopy()
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	673 {
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	674 Statements *a = new Statements();
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	675 a->setDim(statements->dim);
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	676 for (size_t i = 0; i < statements->dim; i++)
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	677 {
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	678 Statement s = (Statement )statements->data[i];
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	679 if (s)
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	680 s = s->syntaxCopy();
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	681 a->data[i] = s;
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	682 }
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	683 AsmBlockStatement *cs = new AsmBlockStatement(loc, a);
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	684 return cs;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	685 }
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	686
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	687 // necessary for in-asm branches
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	688 Statement AsmBlockStatement::semantic(Scope sc)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	689 {
309 d59c363fccad [svn r330] Implemented synchronized statements. lindquist parents: 305 diff changeset	690 enclosinghandler = sc->tfOfTry;
356 44daf304421c [svn r377] The previous check was too strict, it completely disallowed gotos within finally blocks. This reenables them as long as they don't cross a finally boundary. ChristianK parents: 336 diff changeset	691 tf = sc->tf;
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	692
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	693 return CompoundStatement::semantic(sc);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	694 }

Mercurial > projects > ldc

annotate gen/asmstmt.cpp @ 622:26fce59fe80a