projects/ldc: gen/asmstmt.cpp annotate

annotate gen/asmstmt.cpp @ 361:932229a851a4 trunk

[svn r382] In CastExp, after the cast to CastExp.to force the type to be CastExp.type. This is used for c.im for instance, where the cast is to idouble but type is double.

author	ChristianK
date	Mon, 14 Jul 2008 19:17:25 +0200
parents	44daf304421c
children	672eb4893b55

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
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	180 // 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	181 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	182 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	183
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 // 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	185 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	186 DtoDwarfStopPoint(loc.linnum);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	187
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	188 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	189 return;
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 static std::string i_cns = "i";
231 61aa721a6b7f [svn r247] fixed accessing global symbols from inline asm. lindquist parents: 229 diff changeset	192 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	193 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	194 static std::string mw_cns = "=*m";
223 5ffca623b5df [svn r239] also use indirect modifier for update constraints ChristianK parents: 222 diff changeset	195 static std::string mrw_cns = "+*m";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	196 static std::string memory_name = "memory";
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	197
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	198 AsmCode * code = (AsmCode *) asmcode;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	199 std::deque<LLValue*> input_values;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	200 std::deque<std::string> input_constraints;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	201 std::deque<LLValue*> output_values;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	202 std::deque<std::string> output_constraints;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	203 std::deque<std::string> clobbers;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	204
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	205 // FIXME
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	206 #define HOST_WIDE_INT long
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	207 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	208 bool clobbers_mem = code->clobbersMemory;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	209 int input_idx = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	210 int n_outputs = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	211 int arg_map[10];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	212
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	213 assert(code->args.dim <= 10);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	214
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	215 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	216 AsmArg * arg = (AsmArg *) code->args.data[i];
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 bool is_input = true;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	219 LLValue* arg_val = 0;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	220 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	221
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	222 switch (arg->type) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	223 case Arg_Integer:
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	224 arg_val = arg->expr->toElem(irs)->getRVal();
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	225 do_integer:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	226 cns = i_cns;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	227 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	228 case Arg_Pointer:
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	229 assert(arg->expr->op == TOKvar);
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	230 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	231 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	232
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	233 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	234 case Arg_Memory:
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	235 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	236
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	237 switch (arg->mode) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	238 case Mode_Input: cns = m_cns; break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	239 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	240 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	241 default: assert(0); break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	242 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	243 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	244 case Arg_FrameRelative:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	245 // 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	246 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	247 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	248 /* if (arg->expr->op == TOKvar)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	249 arg_val = ((VarExp *) arg->expr)->var->toSymbol()->Stree;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	250 else
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	251 assert(0);*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	252 if ( getFrameRelativeValue(arg_val, & var_frame_offset) ) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	253 // arg_val = irs->integerConstant(var_frame_offset);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	254 cns = i_cns;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	255 } else {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	256 this->error("%s", "argument not frame relative");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	257 return;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	258 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	259 if (arg->mode != Mode_Input)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	260 clobbers_mem = true;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	261 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	262 case Arg_LocalSize:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	263 // 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	264 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	265 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	266 /* var_frame_offset = cfun->x_frame_offset;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	267 if (var_frame_offset < 0)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	268 var_frame_offset = - var_frame_offset;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	269 arg_val = irs->integerConstant( var_frame_offset );*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	270 goto do_integer;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	271 default:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	272 assert(0);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	273 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	274
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	275 if (is_input) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	276 arg_map[i] = --input_idx;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	277 //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	278 input_values.push_back(arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	279 input_constraints.push_back(cns);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	280 } else {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	281 arg_map[i] = n_outputs++;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	282 //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	283 output_values.push_back(arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	284 output_constraints.push_back(cns);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	285 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	286 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	287
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	288 // 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	289 // 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	290 // expects.
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	291
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	292 // FIXME
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	293 // if (! irs->func->naked) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	294 for (int i = 0; i < 32; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	295 if (regs & (1 << i)) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	296 //clobbers.cons(NULL_TREE, regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	297 clobbers.push_back(regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	298 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	299 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	300 for (int i = 0; i < 32; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	301 if (code->moreRegs & (1 << (i-32))) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	302 //clobbers.cons(NULL_TREE, regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	303 clobbers.push_back(regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	304 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	305 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	306 if (clobbers_mem)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	307 clobbers.push_back(memory_name);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	308 //clobbers.cons(NULL_TREE, memory_name);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	309 // }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	310
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	311
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	312 // Remap argument numbers
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	313 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	314 if (arg_map[i] < 0)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	315 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	316 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	317
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	318 bool pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	319 char * p = code->insnTemplate;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	320 char * q = p + code->insnTemplateLen;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	321 //printf("start: %.*s\n", code->insnTemplateLen, code->insnTemplate);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	322 while (p < q) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	323 if (pct) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	324 if (p >= '0' && p <= '9') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	325 // %% doesn't check against nargs
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	326 p = '0' + arg_map[p - '0'];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	327 pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	328 } else if (*p == '$') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	329 pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	330 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	331 //assert(*p == '%');// could be 'a', etc. so forget it..
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	332 } else if (*p == '$')
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	333 pct = true;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	334 ++p;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	335 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	336
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	337 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	338
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	339 std::string insnt(code->insnTemplate, code->insnTemplateLen);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	340
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	341 // 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	342 std::string llvmOutConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	343 std::string llvmInConstraints;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	344 int n = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	345 typedef std::deque<std::string>::iterator it;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	346 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	347 // rewrite update constraint to in and out constraints
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	348 if((*i)[0] == '+') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	349 (*i)[0] = '=';
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	350 std::string input_constraint;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	351 std::stringstream ss;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	352 ss << n;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	353 ss >> input_constraint;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	354 //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	355 input_constraints.push_front(input_constraint);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	356 input_values.push_front(output_values[n]);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	357 }
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	358 llvmOutConstraints += *i;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	359 llvmOutConstraints += ",";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	360 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	361 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	362 llvmInConstraints += *i;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	363 llvmInConstraints += ",";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	364 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	365
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	366 std::string clobstr;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	367 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	368 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	369 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	370 }
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	371
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	372 // 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	373
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	374 // push asm statement
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	375 IRAsmStmt* asmStmt = new IRAsmStmt;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	376 asmStmt->code = insnt;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	377 asmStmt->out_c = llvmOutConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	378 asmStmt->in_c = llvmInConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	379 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	380 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	381 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	382 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	383 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	384
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	385 //////////////////////////////////////////////////////////////////////////////
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 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	388 : CompoundStatement(loc, s)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	389 {
309 d59c363fccad [svn r330] Implemented synchronized statements. lindquist parents: 305 diff changeset	390 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	391 tf = NULL;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	392 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	393
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	394 // 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	395 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	396 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	397 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	398 {
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	399 "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	400 "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	401 };
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	402 assert(nargs <= 10);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	403
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	404 static const std::string prefix("<<out");
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	405 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	406 std::string argnum;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	407 std::string needle;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	408 char buf[10];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	409 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	410 needle = prefix + digits[i] + suffix;
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	411 size_t pos = insnt.find(needle);
303 4aa2b6753059 [svn r324] Small indentation fixes. ChristianK parents: 302 diff changeset	412 if(std::string::npos != pos)
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	413 sprintf(buf, "%u", idx++);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	414 while(std::string::npos != (pos = insnt.find(needle)))
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	415 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	416 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	417 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	418
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	419 // 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	420 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	421 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	422 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	423 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	424 "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	425 "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	426 };
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	427 assert(nargs <= 10);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	428
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	429 static const std::string prefix("<<in");
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	430 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	431 std::string argnum;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	432 std::string needle;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	433 char buf[10];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	434 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	435 needle = prefix + digits[i] + suffix;
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	436 size_t pos = insnt.find(needle);
303 4aa2b6753059 [svn r324] Small indentation fixes. ChristianK parents: 302 diff changeset	437 if(std::string::npos != pos)
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	438 sprintf(buf, "%u", idx++);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	439 while(std::string::npos != (pos = insnt.find(needle)))
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	440 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	441 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	442 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	443
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	444 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	445 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	446 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	447 LOG_SCOPE;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	448 Logger::println("BEGIN ASM");
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	449
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	450 // 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	451 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	452 IRAsmBlock* asmblock = new IRAsmBlock;
239 fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	453 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	454 p->asmBlock = asmblock;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	455
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	456 // do asm statements
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	457 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	458 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	459 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	460 if (s) {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	461 s->toIR(p);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	462 }
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	463 }
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	464
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	465 // 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	466 // 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	467 // 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	468 // a post-asm switch
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	469
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	470 // 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	471 std::map<Identifier*, int> gotoToVal;
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	472
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	473 // location of the special value determining the goto label
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	474 // will be set if post-asm dispatcher block is needed
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	475 llvm::AllocaInst* jump_target;
301 f42a1090e895 [svn r322] More asm-to-outside jumping work. Unfinished. ChristianK parents: 300 diff changeset	476
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	477 {
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	478 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	479 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	480
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	481 // 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	482 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	483 std::ostringstream asmGotoEndLabel;
2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	484 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	485
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	486 // initialize the setter statement we're going to build
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	487 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	488 std::string asmGotoEnd = "jmp "+asmGotoEndLabel.str()+" ; ";
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	489 std::ostringstream code;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	490 code << asmGotoEnd;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	491
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	492 int n_goto = 1;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	493
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	494 size_t n = asmblock->s.size();
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	495 for(size_t i=0; i<n; ++i)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	496 {
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	497 IRAsmStmt* a = asmblock->s[i];
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	498
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	499 // skip non-branch statements
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	500 if(!a->isBranchToLabel)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	501 continue;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	502
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	503 // if internal, no special handling is necessary, skip
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	504 std::vector<Identifier*>::const_iterator it, end;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	505 end = asmblock->internalLabels.end();
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	506 bool skip = false;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	507 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	508 if((*it)->equals(a->isBranchToLabel))
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	509 skip = true;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	510 if(skip)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	511 continue;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	512
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	513 // 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	514 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	515 continue;
553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	516
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	517 // 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	518 gotoToVal[a->isBranchToLabel] = n_goto;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	519
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	520 // 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	521 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	522 code << fdmangle << '_' << a->isBranchToLabel->string << ": ; ";
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	523 code << "movl $<<in" << n_goto << ">>, $<<out0>> ; ";
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	524 //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	525 outSetterStmt->in.push_back(DtoConstUint(n_goto));
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	526 outSetterStmt->in_c += "i,";
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	527 code << asmGotoEnd;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	528
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	529 ++n_goto;
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	530 }
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	531 if(code.str() != asmGotoEnd)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	532 {
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	533 // finalize code
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	534 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	535 outSetterStmt->code += asmGotoEndLabel.str()+": ; ";
302 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 // create storage for and initialize the temporary
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	538 jump_target = new llvm::AllocaInst(llvm::IntegerType::get(32), "__llvm_jump_target", p->topallocapoint());
305 2b72433d5c8c [svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support. lindquist parents: 304 diff changeset	539 gIR->ir->CreateStore(DtoConstUint(0), jump_target);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	540 // setup variable for output from asm
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	541 outSetterStmt->out_c = "=*m,";
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	542 outSetterStmt->out.push_back(jump_target);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	543
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	544 asmblock->s.push_back(outSetterStmt);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	545 }
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	546 else
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	547 delete outSetterStmt;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	548 }
df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	549
df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	550
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	551 // build asm block
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	552 std::vector<LLValue*> outargs;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	553 std::vector<LLValue*> inargs;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	554 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	555 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	556 std::string out_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	557 std::string in_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	558 std::string clobbers;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	559 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	560 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	561
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	562 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	563 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	564 {
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	565 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	566 assert(a);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	567 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	568 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	569 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	570 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	571 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	572 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	573 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	574 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	575 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	576 }
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	577 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	578 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	579 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	580 {
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	581 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	582 assert(a);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	583 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	584 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	585 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	586 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	587 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	588 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	589 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	590 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	591 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	592 }
300 7b1040c76dd2 [svn r321] Fix bug in argument remapping functions. ChristianK parents: 299 diff changeset	593 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	594 if (!code.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	595 code += " ; ";
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	596 code += a->code;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	597 }
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	598 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	599
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	600 // 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	601 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	602
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	603 // 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	604 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	605 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	606 {
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 += *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	608 }
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
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 // remove excessive comma
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	611 if (!out_c.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	612 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	613
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	614 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	615 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	616
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	617 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	618 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	619 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	620 llvm::FunctionType* fty = llvm::FunctionType::get(llvm::Type::VoidTy, types, false);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	621 Logger::cout() << "function type = " << *fty << '\n';
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	622 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	623
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	624 std::vector<LLValue*> args;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	625 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	626 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	627 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	628
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	629 p->asmBlock = NULL;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	630 Logger::println("END ASM");
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	631
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	632 // 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	633 if(!gotoToVal.empty())
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	634 {
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	635 assert(jump_target);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	636
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	637 // make new blocks
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	638 llvm::BasicBlock* oldend = gIR->scopeend();
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	639 llvm::BasicBlock* bb = llvm::BasicBlock::Create("afterasmgotoforwarder", p->topfunc(), oldend);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	640
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	641 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	642 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	643
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	644 // add all cases
312 553f844ae5b9 [svn r333] Fix inline asm bug with multiple branches to the same label. ChristianK parents: 309 diff changeset	645 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	646 for(it = gotoToVal.begin(); it != end; ++it)
302 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::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	649 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	650
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	651 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	652 DtoGoto(&loc, it->first, enclosinghandler, tf);
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	653 }
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 p->scope() = IRScope(bb,oldend);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	656 }
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	657 }
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	658
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	659 // 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	660 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	661 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	662 return NULL;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	663 }
239 fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	664
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	665 Statement *AsmBlockStatement::syntaxCopy()
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	666 {
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	667 Statements *a = new Statements();
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	668 a->setDim(statements->dim);
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	669 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	670 {
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	671 Statement s = (Statement )statements->data[i];
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	672 if (s)
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	673 s = s->syntaxCopy();
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	674 a->data[i] = s;
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	675 }
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	676 AsmBlockStatement *cs = new AsmBlockStatement(loc, a);
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	677 return cs;
299 df8a7b8d5929 [svn r320] Begun work on branches out of asm blocks. Unfinished. ChristianK parents: 239 diff changeset	678 }
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	679
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	680 // necessary for in-asm branches
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	681 Statement AsmBlockStatement::semantic(Scope sc)
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	682 {
309 d59c363fccad [svn r330] Implemented synchronized statements. lindquist parents: 305 diff changeset	683 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	684 tf = sc->tf;
302 bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	685
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	686 return CompoundStatement::semantic(sc);
bef811104734 [svn r323] Branching out of inline asm works. ChristianK parents: 301 diff changeset	687 }

Mercurial > projects > ldc

annotate gen/asmstmt.cpp @ 361:932229a851a4 trunk