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added floating point optimizations to the JIT

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standarised a bit more x86_macros.h
some asm optimizations to bintools extension

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40837
This commit is contained in:
Borja Ferrer
2007-05-22 15:15:51 +00:00
parent 307181de8d
commit e60940834b
9 changed files with 852 additions and 129 deletions
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extensions/bintools/jit_call.cpp
+16 -16
View File
@@ -116,17 +116,15 @@ inline void Write_PushPOD(JitWriter *jit, const PassEncode *pEnc)
{
case 1:
{
//xor reg, reg
//mov reg, BYTE PTR [ebx+<offset>]
//movzx reg, BYTE PTR [ebx+<offset>]
//push reg
IA32_Xor_Reg_Rm(jit, reg, reg, MOD_REG);
if (pEnc->offset < SCHAR_MAX)
{
IA32_Mov_Reg8_Rm8_Disp8(jit, reg, REG_EBX, (jit_int8_t)pEnc->offset);
IA32_Movzx_Reg32_Rm8_Disp8(jit, reg, REG_EBX, (jit_int8_t)pEnc->offset);
} else if (!pEnc->offset) {
IA32_Mov_Reg8_Rm8(jit, reg, REG_EBX, MOD_MEM_REG);
IA32_Movzx_Reg32_Rm8(jit, reg, REG_EBX, MOD_MEM_REG);
} else {
IA32_Mov_Reg8_Rm8_Disp32(jit, reg, REG_EBX, pEnc->offset);
IA32_Movzx_Reg32_Rm8_Disp32(jit, reg, REG_EBX, pEnc->offset);
}
IA32_Push_Reg(jit, reg);
@@ -135,18 +133,16 @@ inline void Write_PushPOD(JitWriter *jit, const PassEncode *pEnc)
}
case 2:
{
//xor reg, reg
//mov reg, WORD PTR [ebx+<offset>]
//movzx reg, WORD PTR [ebx+<offset>]
//push reg
IA32_Xor_Reg_Rm(jit, reg, reg, MOD_REG);
jit->write_ubyte(IA32_16BIT_PREFIX);
if (pEnc->offset < SCHAR_MAX)
{
IA32_Mov_Reg_Rm_Disp8(jit, reg, REG_EBX, (jit_int8_t)pEnc->offset);
IA32_Movzx_Reg32_Rm16_Disp8(jit, reg, REG_EBX, (jit_int8_t)pEnc->offset);
} else if (!pEnc->offset) {
IA32_Mov_Reg_Rm(jit, reg, REG_EBX, MOD_MEM_REG);
IA32_Movzx_Reg32_Rm16(jit, reg, REG_EBX, MOD_MEM_REG);
} else {
IA32_Mov_Reg_Rm_Disp32(jit, reg, REG_EBX, pEnc->offset);
IA32_Movzx_Reg32_Rm16_Disp32(jit, reg, REG_EBX, pEnc->offset);
}
IA32_Push_Reg(jit, reg);
@@ -234,11 +230,13 @@ inline void Write_PushFloat(JitWriter *jit, const PassEncode *pEnc)
if (pEnc->offset < SCHAR_MAX)
{
IA32_Fld_Mem32_Disp8(jit, REG_EBX, (jit_int8_t)pEnc->offset);
} else if (!pEnc->offset) {
IA32_Fld_Mem32(jit, REG_EBX);
} else {
IA32_Fld_Mem32_Disp32(jit, REG_EBX, pEnc->offset);
}
IA32_Push_Reg(jit, _DecodeRegister3(g_RegDecoder++));
IA32_Fstp_Mem32(jit, REG_ESP, REG_NOIDX, NOSCALE);
IA32_Fstp_Mem32_ESP(jit);
g_StackUsage += 4;
break;
}
@@ -250,11 +248,13 @@ inline void Write_PushFloat(JitWriter *jit, const PassEncode *pEnc)
if (pEnc->offset < SCHAR_MAX)
{
IA32_Fld_Mem64_Disp8(jit, REG_EBX, (jit_int8_t)pEnc->offset);
} else if (!pEnc->offset) {
IA32_Fld_Mem64(jit, REG_EBX);
} else {
IA32_Fld_Mem64_Disp32(jit, REG_EBX, pEnc->offset);
}
IA32_Sub_Rm_Imm8(jit, REG_ESP, 8, MOD_REG);
IA32_Fstp_Mem64(jit, REG_ESP, REG_NOIDX, NOSCALE);
IA32_Fstp_Mem64_ESP(jit);
g_StackUsage += 8;
break;
}
@@ -449,13 +449,13 @@ inline void Write_MovRet2Buf(JitWriter *jit, const PassInfo *pRet)
case 4:
{
//fstp DWORD PTR [edi]
IA32_Fstp_Mem32(jit, REG_EDI, REG_NOIDX, NOSCALE);
IA32_Fstp_Mem32(jit, REG_EDI);
break;
}
case 8:
{
//fstp QWORD PTR [edi]
IA32_Fstp_Mem64(jit, REG_EDI, REG_NOIDX, NOSCALE);
IA32_Fstp_Mem64(jit, REG_EDI);
break;
}
}