projects/ldc: gen/asmstmt.cpp annotate

annotate gen/asmstmt.cpp @ 239:fa691b1c0498 trunk

[svn r256] AsmBlockStatement was still being flattened in some cases. Function parameters passed as arguments to inline asm was not given storage.

author	lindquist
date	Sun, 08 Jun 2008 22:07:10 +0200
parents	a168a2c3ea48
children	df8a7b8d5929

rev	line source
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	1 // Taken from GDC source tree, licence unclear?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	2 //
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	3 // Taken from an earlier version of DMD -- why is it missing from 0.79?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	4
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	5 #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	6 #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	7
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	8 //#include "d-gcc-includes.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	9 //#include "total.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	10 #include "dmd/statement.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	11 #include "dmd/scope.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	12 #include "dmd/declaration.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	13 #include "dmd/dsymbol.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	14
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	15 #include <cassert>
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	16 #include <deque>
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	17 #include <iostream>
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	18 #include <sstream>
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	19 #include <cstring>
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	20
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	21 //#include "d-lang.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	22 //#include "d-codegen.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	23
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	24 #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	25 #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	26 #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	27 #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	28 #include "gen/todebug.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;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	81 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	82
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	83 Statement *AsmStatement::syntaxCopy()
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 // copy tokens? copy 'code'?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	86 AsmStatement * a_s = new AsmStatement(loc,tokens);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	87 a_s->asmcode = asmcode;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	88 a_s->refparam = refparam;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	89 a_s->naked = naked;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	90 a_s->regs = a_s->regs;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	91 return a_s;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	92 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	93
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	94 void AsmStatement::toCBuffer(OutBuffer buf, HdrGenState hgs)
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 bool sep = 0, nsep = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	97 buf->writestring("asm { ");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	98
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	99 for (Token * t = tokens; t; t = t->next) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	100 switch (t->value) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	101 case TOKlparen:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	102 case TOKrparen:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	103 case TOKlbracket:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	104 case TOKrbracket:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	105 case TOKcolon:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	106 case TOKsemicolon:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	107 case TOKcomma:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	108 case TOKstring:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	109 case TOKcharv:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	110 case TOKwcharv:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	111 case TOKdcharv:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	112 nsep = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	113 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	114 default:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	115 nsep = 1;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	116 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	117 if (sep + nsep == 2)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	118 buf->writeByte(' ');
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	119 sep = nsep;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	120 buf->writestring(t->toChars());
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	121 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	122 buf->writestring("; }");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	123 buf->writenl();
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	124 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	125
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	126 int AsmStatement::comeFrom()
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 return FALSE;
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
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	131 /* GCC does not support jumps from asm statements. When optimization
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	132 is turned on, labels referenced only from asm statements will not
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	133 be output at the correct location. There are ways around this:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	134
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	135 1) Reference the label with a reachable goto statement
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	136 2) Have reachable computed goto in the function
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	137 3) Hack cfgbuild.c to act as though there is a computed goto.
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	138
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	139 These are all pretty bad, but if would be nice to be able to tell
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	140 GCC not to optimize in this case (even on per label/block basis).
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	141
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	142 The current solution is output our own private labels (as asm
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	143 statements) along with the "real" label. If the label happens to
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	144 be referred to by a goto statement, the "real" label will also be
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	145 output in the correct location.
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	146
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	147 Also had to add 'asmLabelNum' to LabelDsymbol to indicate it needs
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	148 special processing.
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	149
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	150 (junk) d-lang.cc:916:case LABEL_DECL: // C doesn't do this. D needs this for referencing labels in inline assembler since there may be not goto referencing it.
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	151
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	152 */
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	153
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	154 static unsigned d_priv_asm_label_serial = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	155
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	156 // may need to make this target-specific
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	157 static void d_format_priv_asm_label(char * buf, unsigned n)
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 //ASM_GENERATE_INTERNAL_LABEL(buf, "LDASM", n);//inserts a '*' for use with assemble_name
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	160 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	161 sprintf(buf, ".LDASM%u", n);
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
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	164 void
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	165 d_expand_priv_asm_label(IRState * irs, unsigned n)
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 /* char buf[64];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	168 d_format_priv_asm_label(buf, n);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	169 strcat(buf, ":");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	170 tree insnt = build_string(strlen(buf), buf);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	171 #if D_GCC_VER < 40
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	172 expand_asm(insnt, 1);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	173 #else
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	174 tree t = d_build_asm_stmt(insnt, NULL_TREE, NULL_TREE, NULL_TREE);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	175 ASM_VOLATILE_P( t ) = 1;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	176 ASM_INPUT_P( t) = 1; // what is this doing?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	177 irs->addExp(t);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	178 #endif*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	179 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	180
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	181
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	182 // StringExp::toIR usually adds a NULL. We don't want that...
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	183
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	184 /*static tree
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	185 naturalString(Expression * e)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	186 {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	187 // don't fail, just an error?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	188 assert(e->op == TOKstring);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	189 StringExp * s = (StringExp *) e;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	190 assert(s->sz == 1);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	191 return build_string(s->len, (char *) s->string);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	192 }*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	193
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	194
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	195 #include "d-asm-i386.h"
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	196
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	197 bool d_have_inline_asm() { return true; }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	198
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	199 Statement AsmStatement::semantic(Scope sc)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	200 {
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	201 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	202 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	203 {
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	204 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	205 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	206 }
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	207 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	208 {
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	209 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	210 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	211 }
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	212 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	213 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	214
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	215 sc->func->inlineAsm = 1;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	216 sc->func->inlineStatus = ILSno; // %% not sure
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	217 // %% need to set DECL_UNINLINABLE too?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	218 sc->func->hasReturnExp = 1; // %% DMD does this, apparently...
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	219
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	220 // 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	221 if (! tokens)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	222 return this;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	223
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	224 AsmProcessor ap(sc, this);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	225 ap.run();
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	226 return this;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	227 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	228
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	229 void
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	230 AsmStatement::toIR(IRState * irs)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	231 {
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 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	233 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	234
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	235 // 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	236 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	237 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	238
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	239 // 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	240 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	241 DtoDwarfStopPoint(loc.linnum);
219 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 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	244 return;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	245
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	246 static std::string i_cns = "i";
231 61aa721a6b7f [svn r247] fixed accessing global symbols from inline asm. lindquist parents: 229 diff changeset	247 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	248 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	249 static std::string mw_cns = "=*m";
223 5ffca623b5df [svn r239] also use indirect modifier for update constraints ChristianK parents: 222 diff changeset	250 static std::string mrw_cns = "+*m";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	251 static std::string memory_name = "memory";
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	252
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	253 AsmCode * code = (AsmCode *) asmcode;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	254 std::deque<LLValue*> input_values;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	255 std::deque<std::string> input_constraints;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	256 std::deque<LLValue*> output_values;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	257 std::deque<std::string> output_constraints;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	258 std::deque<std::string> clobbers;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	259
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	260 // FIXME
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	261 #define HOST_WIDE_INT long
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	262 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	263 bool clobbers_mem = code->clobbersMemory;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	264 int input_idx = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	265 int n_outputs = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	266 int arg_map[10];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	267
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	268 assert(code->args.dim <= 10);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	269
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	270 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	271 AsmArg * arg = (AsmArg *) code->args.data[i];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	272
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	273 bool is_input = true;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	274 LLValue* arg_val = 0;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	275 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	276
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	277 switch (arg->type) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	278 case Arg_Integer:
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	279 arg_val = arg->expr->toElem(irs)->getRVal();
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	280 do_integer:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	281 cns = i_cns;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	282 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	283 case Arg_Pointer:
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	284 assert(arg->expr->op == TOKvar);
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	285 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	286 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	287
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	288 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	289 case Arg_Memory:
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	290 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	291
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	292 switch (arg->mode) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	293 case Mode_Input: cns = m_cns; break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	294 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	295 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	296 default: assert(0); break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	297 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	298 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	299 case Arg_FrameRelative:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	300 // 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	301 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	302 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	303 /* if (arg->expr->op == TOKvar)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	304 arg_val = ((VarExp *) arg->expr)->var->toSymbol()->Stree;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	305 else
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	306 assert(0);*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	307 if ( getFrameRelativeValue(arg_val, & var_frame_offset) ) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	308 // arg_val = irs->integerConstant(var_frame_offset);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	309 cns = i_cns;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	310 } else {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	311 this->error("%s", "argument not frame relative");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	312 return;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	313 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	314 if (arg->mode != Mode_Input)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	315 clobbers_mem = true;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	316 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	317 case Arg_LocalSize:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	318 // 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	319 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	320 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	321 /* var_frame_offset = cfun->x_frame_offset;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	322 if (var_frame_offset < 0)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	323 var_frame_offset = - var_frame_offset;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	324 arg_val = irs->integerConstant( var_frame_offset );*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	325 goto do_integer;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	326 default:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	327 assert(0);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	328 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	329
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	330 if (is_input) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	331 arg_map[i] = --input_idx;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	332 //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	333 input_values.push_back(arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	334 input_constraints.push_back(cns);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	335 } else {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	336 arg_map[i] = n_outputs++;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	337 //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	338 output_values.push_back(arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	339 output_constraints.push_back(cns);
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 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	342
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	343 // 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	344 // 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	345 // expects.
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	346
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	347 // FIXME
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	348 // if (! irs->func->naked) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	349 for (int i = 0; i < 32; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	350 if (regs & (1 << i)) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	351 //clobbers.cons(NULL_TREE, regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	352 clobbers.push_back(regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	353 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	354 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	355 for (int i = 0; i < 32; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	356 if (code->moreRegs & (1 << (i-32))) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	357 //clobbers.cons(NULL_TREE, regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	358 clobbers.push_back(regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	359 }
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 if (clobbers_mem)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	362 clobbers.push_back(memory_name);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	363 //clobbers.cons(NULL_TREE, memory_name);
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
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	366
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	367 // Remap argument numbers
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	368 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	369 if (arg_map[i] < 0)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	370 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	371 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	372
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	373 bool pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	374 char * p = code->insnTemplate;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	375 char * q = p + code->insnTemplateLen;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	376 //printf("start: %.*s\n", code->insnTemplateLen, code->insnTemplate);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	377 while (p < q) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	378 if (pct) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	379 if (p >= '0' && p <= '9') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	380 // %% doesn't check against nargs
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	381 p = '0' + arg_map[p - '0'];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	382 pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	383 } else if (*p == '$') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	384 pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	385 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	386 //assert(*p == '%');// could be 'a', etc. so forget it..
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	387 } else if (*p == '$')
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	388 pct = true;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	389 ++p;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	390 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	391
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	392 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	393
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	394 std::string insnt(code->insnTemplate, code->insnTemplateLen);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	395
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	396 // 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	397 std::string llvmOutConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	398 std::string llvmInConstraints;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	399 int n = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	400 typedef std::deque<std::string>::iterator it;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	401 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	402 // rewrite update constraint to in and out constraints
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	403 if((*i)[0] == '+') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	404 (*i)[0] = '=';
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	405 std::string input_constraint;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	406 std::stringstream ss;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	407 ss << n;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	408 ss >> input_constraint;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	409 //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	410 input_constraints.push_front(input_constraint);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	411 input_values.push_front(output_values[n]);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	412 }
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	413 llvmOutConstraints += *i;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	414 llvmOutConstraints += ",";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	415 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	416 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	417 llvmInConstraints += *i;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	418 llvmInConstraints += ",";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	419 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	420
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	421 std::string clobstr;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	422 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	423 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	424 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	425 }
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	426
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	427 // 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	428
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	429 // push asm statement
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	430 IRAsmStmt* asmStmt = new IRAsmStmt;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	431 asmStmt->code = insnt;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	432 asmStmt->out_c = llvmOutConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	433 asmStmt->in_c = llvmInConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	434 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	435 asmStmt->in.insert(asmStmt->in.begin(), input_values.begin(), input_values.end());
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	436 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	437 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	438
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	439 //////////////////////////////////////////////////////////////////////////////
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	440
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	441 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	442 : CompoundStatement(loc, s)
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 }
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 // 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	447 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	448 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	449 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	450 {
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	451 "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	452 "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	453 };
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	454 assert(nargs <= 10);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	455
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	456 static const std::string prefix("<<out");
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	457 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	458 std::string argnum;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	459 std::string needle;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	460 char buf[10];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	461 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	462 needle = prefix + digits[i] + suffix;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	463 sprintf(buf, "%u", idx++);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	464 insnt.replace(insnt.find(needle), needle.size(), buf);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	465 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	466 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	467
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	468 // 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	469 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	470 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	471 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	472 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	473 "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	474 "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	475 };
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	476 assert(nargs <= 10);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	477
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	478 static const std::string prefix("<<in");
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	479 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	480 std::string argnum;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	481 std::string needle;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	482 char buf[10];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	483 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	484 needle = prefix + digits[i] + suffix;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	485 sprintf(buf, "%u", idx++);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	486 insnt.replace(insnt.find(needle), needle.size(), buf);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	487 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	488 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	489
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	490 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	491 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	492 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	493 LOG_SCOPE;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	494 Logger::println("BEGIN ASM");
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	495
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	496 // 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	497 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	498 IRAsmBlock* asmblock = new IRAsmBlock;
239 fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	499 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	500 p->asmBlock = asmblock;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	501
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	502 // do asm statements
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	503 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	504 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	505 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	506 if (s) {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	507 s->toIR(p);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	508 }
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	509 }
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	510
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	511 // build asm block
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	512 std::vector<LLValue*> outargs;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	513 std::vector<LLValue*> inargs;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	514 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	515 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	516 std::string out_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	517 std::string in_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	518 std::string clobbers;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	519 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	520 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	521
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	522 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	523 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	524 {
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	525 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	526 assert(a);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	527 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	528 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	529 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	530 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	531 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	532 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	533 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	534 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	535 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	536 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	537 remap_outargs(a->code, onn, asmIdx);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	538 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	539 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	540 {
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	541 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	542 assert(a);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	543 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	544 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	545 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	546 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	547 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	548 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	549 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	550 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	551 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	552 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	553 remap_inargs(a->code, inn, asmIdx);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	554 if (!code.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	555 code += " ; ";
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	556 code += a->code;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	557 }
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	558 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	559
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 // 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	561 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	562
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	563 // 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	564 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	565 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	566 {
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	567 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	568 }
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	569
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	570 // remove excessive comma
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	571 if (!out_c.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	572 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	573
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	574 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	575 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	576
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	577 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	578 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	579 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	580 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	581 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	582 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	583
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	584 std::vector<LLValue*> args;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	585 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	586 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	587 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	588
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	589 p->asmBlock = NULL;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	590 Logger::println("END ASM");
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	591 }
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	592
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	593 // 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	594 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	595 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	596 return NULL;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	597 }
239 fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	598
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	599 Statement *AsmBlockStatement::syntaxCopy()
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	600 {
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	601 Statements *a = new Statements();
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	602 a->setDim(statements->dim);
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	603 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	604 {
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	605 Statement s = (Statement )statements->data[i];
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	606 if (s)
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	607 s = s->syntaxCopy();
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	608 a->data[i] = s;
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	609 }
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	610 AsmBlockStatement *cs = new AsmBlockStatement(loc, a);
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	611 return cs;
fa691b1c0498 [svn r256] AsmBlockStatement was still being flattened in some cases. lindquist parents: 237 diff changeset	612 }

Mercurial > projects > ldc

annotate gen/asmstmt.cpp @ 239:fa691b1c0498 trunk