projects/ldc: gen/asmstmt.cpp annotate

annotate gen/asmstmt.cpp @ 234:9760f54af0b7 trunk

[svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. Did a few cleanups in inline asm code.

author	lindquist
date	Sun, 08 Jun 2008 08:03:19 +0200
parents	76ee1bbe487e
children	a168a2c3ea48

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 {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	201
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	202 sc->func->inlineAsm = 1;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	203 sc->func->inlineStatus = ILSno; // %% not sure
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	204 // %% need to set DECL_UNINLINABLE too?
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	205 sc->func->hasReturnExp = 1; // %% DMD does this, apparently...
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	206
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	207 // 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	208 if (! tokens)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	209 return this;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	210
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	211 AsmProcessor ap(sc, this);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	212 ap.run();
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	213 return this;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	214 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	215
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	216 void
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	217 AsmStatement::toIR(IRState * irs)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	218 {
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	219 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	220 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	221
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	222 // 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	223 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	224 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	225
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	226 // 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	227 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	228 DtoDwarfStopPoint(loc.linnum);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	229
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	230 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	231 return;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	232
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	233 static std::string i_cns = "i";
231 61aa721a6b7f [svn r247] fixed accessing global symbols from inline asm. lindquist parents: 229 diff changeset	234 static std::string p_cns = "i";
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	235 static std::string l_cns = "X";
222 251548c1035d [svn r238] use m for memory input constraints and pass in their address ChristianK* parents: 221 diff changeset	236 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	237 static std::string mw_cns = "=*m";
223 5ffca623b5df [svn r239] also use indirect modifier for update constraints ChristianK parents: 222 diff changeset	238 static std::string mrw_cns = "+*m";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	239 static std::string memory_name = "memory";
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	240
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	241 AsmCode * code = (AsmCode *) asmcode;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	242 std::deque<LLValue*> input_values;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	243 std::deque<std::string> input_constraints;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	244 std::deque<LLValue*> output_values;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	245 std::deque<std::string> output_constraints;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	246 std::deque<std::string> clobbers;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	247
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	248 // FIXME
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	249 #define HOST_WIDE_INT long
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	250 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	251 bool clobbers_mem = code->clobbersMemory;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	252 int input_idx = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	253 int n_outputs = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	254 int arg_map[10];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	255
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	256 assert(code->args.dim <= 10);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	257
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	258 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	259 AsmArg * arg = (AsmArg *) code->args.data[i];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	260
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	261 bool is_input = true;
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	262 LLValue* arg_val = 0;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	263 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	264
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	265 std::cout << std::endl;
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	266
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	267 switch (arg->type) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	268 case Arg_Integer:
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	269 arg_val = arg->expr->toElem(irs)->getRVal();
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	270 do_integer:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	271 cns = i_cns;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	272 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	273 case Arg_Pointer:
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	274 assert(arg->expr->op == TOKvar);
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	275 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	276 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	277
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	278 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	279 case Arg_Memory:
229 cac3d27ae481 [svn r245] initial support for labels in inline asm, broken :/ lindquist parents: 227 diff changeset	280 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	281
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	282 switch (arg->mode) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	283 case Mode_Input: cns = m_cns; break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	284 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	285 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	286 default: assert(0); break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	287 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	288 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	289 case Arg_FrameRelative:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	290 // 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	291 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	292 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	293 /* if (arg->expr->op == TOKvar)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	294 arg_val = ((VarExp *) arg->expr)->var->toSymbol()->Stree;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	295 else
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	296 assert(0);*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	297 if ( getFrameRelativeValue(arg_val, & var_frame_offset) ) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	298 // arg_val = irs->integerConstant(var_frame_offset);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	299 cns = i_cns;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	300 } else {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	301 this->error("%s", "argument not frame relative");
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	302 return;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	303 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	304 if (arg->mode != Mode_Input)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	305 clobbers_mem = true;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	306 break;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	307 case Arg_LocalSize:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	308 // 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	309 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	310 assert(0);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	311 /* var_frame_offset = cfun->x_frame_offset;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	312 if (var_frame_offset < 0)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	313 var_frame_offset = - var_frame_offset;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	314 arg_val = irs->integerConstant( var_frame_offset );*/
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	315 goto do_integer;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	316 default:
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	317 assert(0);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	318 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	319
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	320 if (is_input) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	321 arg_map[i] = --input_idx;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	322 //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	323 input_values.push_back(arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	324 input_constraints.push_back(cns);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	325 } else {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	326 arg_map[i] = n_outputs++;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	327 //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	328 output_values.push_back(arg_val);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	329 output_constraints.push_back(cns);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	330 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	331 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	332
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	333 // 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	334 // 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	335 // expects.
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	336
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	337 // FIXME
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	338 // if (! irs->func->naked) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	339 for (int i = 0; i < 32; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	340 if (regs & (1 << i)) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	341 //clobbers.cons(NULL_TREE, regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	342 clobbers.push_back(regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	343 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	344 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	345 for (int i = 0; i < 32; i++) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	346 if (code->moreRegs & (1 << (i-32))) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	347 //clobbers.cons(NULL_TREE, regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	348 clobbers.push_back(regInfo[i].gccName);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	349 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	350 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	351 if (clobbers_mem)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	352 clobbers.push_back(memory_name);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	353 //clobbers.cons(NULL_TREE, memory_name);
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
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	356
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	357 // Remap argument numbers
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	358 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	359 if (arg_map[i] < 0)
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	360 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	361 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	362
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	363 bool pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	364 char * p = code->insnTemplate;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	365 char * q = p + code->insnTemplateLen;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	366 //printf("start: %.*s\n", code->insnTemplateLen, code->insnTemplate);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	367 while (p < q) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	368 if (pct) {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	369 if (p >= '0' && p <= '9') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	370 // %% doesn't check against nargs
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	371 p = '0' + arg_map[p - '0'];
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	372 pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	373 } else if (*p == '$') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	374 pct = false;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	375 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	376 //assert(*p == '%');// could be 'a', etc. so forget it..
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	377 } else if (*p == '$')
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	378 pct = true;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	379 ++p;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	380 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	381
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	382 printf("final: %.*s\n", code->insnTemplateLen, code->insnTemplate);
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	383
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	384 std::string insnt(code->insnTemplate, code->insnTemplateLen);
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 // 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	387 std::string llvmOutConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	388 std::string llvmInConstraints;
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	389 int n = 0;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	390 typedef std::deque<std::string>::iterator it;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	391 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	392 // rewrite update constraint to in and out constraints
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	393 if((*i)[0] == '+') {
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	394 (*i)[0] = '=';
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	395 std::string input_constraint;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	396 std::stringstream ss;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	397 ss << n;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	398 ss >> input_constraint;
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	399 //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	400 input_constraints.push_front(input_constraint);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	401 input_values.push_front(output_values[n]);
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	402 }
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	403 llvmOutConstraints += *i;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	404 llvmOutConstraints += ",";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	405 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	406 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	407 llvmInConstraints += *i;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	408 llvmInConstraints += ",";
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	409 }
761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	410
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	411 std::string clobstr;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	412 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	413 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	414 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	415 }
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	416
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	417 // 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	418
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	419 // push asm statement
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	420 IRAsmStmt* asmStmt = new IRAsmStmt;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	421 asmStmt->code = insnt;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	422 asmStmt->out_c = llvmOutConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	423 asmStmt->in_c = llvmInConstraints;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	424 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	425 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	426 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	427 }
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 //////////////////////////////////////////////////////////////////////////////
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	430
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	431 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	432 : CompoundStatement(loc, s)
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	433 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	434 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	435
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	436 // 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	437 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	438 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	439 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	440 {
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	441 "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	442 "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	443 };
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	444 assert(nargs <= 10);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	445
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	446 static const std::string prefix("<<out");
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	447 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	448 std::string argnum;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	449 std::string needle;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	450 char buf[10];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	451 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	452 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	453 sprintf(buf, "%u", idx++);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	454 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	455 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	456 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	457
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	458 // 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	459 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	460 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	461 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	462 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	463 "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	464 "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	465 };
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	466 assert(nargs <= 10);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	467
234 9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	468 static const std::string prefix("<<in");
9760f54af0b7 [svn r250] Fixed the warning about dropping arguments to _Dmain when optimizing. lindquist parents: 233 diff changeset	469 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	470 std::string argnum;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	471 std::string needle;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	472 char buf[10];
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	473 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	474 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	475 sprintf(buf, "%u", idx++);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	476 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	477 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	478 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	479
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	480 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	481 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	482 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	483 LOG_SCOPE;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	484 Logger::println("BEGIN ASM");
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	485
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	486 // 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	487 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	488 IRAsmBlock* asmblock = new IRAsmBlock;
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	489 p->asmBlock = asmblock;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	490
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	491 // do asm statements
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	492 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	493 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	494 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	495 if (s) {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	496 s->toIR(p);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	497 }
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	498 }
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	499
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	500 // build asm block
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	501 std::vector<LLValue*> outargs;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	502 std::vector<LLValue*> inargs;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	503 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	504 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	505 std::string out_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	506 std::string in_c;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	507 std::string clobbers;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	508 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	509 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	510
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	511 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	512 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	513 {
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	514 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	515 assert(a);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	516 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	517 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	518 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	519 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	520 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	521 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	522 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	523 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	524 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	525 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	526 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	527 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	528 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	529 {
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	530 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	531 assert(a);
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	532 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	533 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	534 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	535 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	536 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	537 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	538 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	539 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	540 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	541 }
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	542 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	543 if (!code.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	544 code += " ; ";
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	545 code += a->code;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	546 }
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	547 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	548
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	549 // 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	550 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	551
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	552 // 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	553 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	554 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	555 {
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	556 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	557 }
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
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 // remove excessive comma
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	560 if (!out_c.empty())
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	561 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	562
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	563 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	564 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	565
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	566 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	567 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	568 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	569 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	570 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	571 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	572
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	573 std::vector<LLValue*> args;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	574 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	575 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	576 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	577
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	578 p->asmBlock = NULL;
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	579 Logger::println("END ASM");
219 761c8352f494 [svn r235] rough port of GDC's inline assembler code, unfinished ChristianK parents: diff changeset	580 }
232 092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	581
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	582 // 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	583 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	584 {
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	585 return NULL;
092468448d25 [svn r248] Fixed: labels in inline asm block now work for the normal case. lindquist parents: 231 diff changeset	586 }

Mercurial > projects > ldc

annotate gen/asmstmt.cpp @ 234:9760f54af0b7 trunk