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fix fistp properly for x32

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This commit is contained in:
Kelly Wilson
2009-03-10 13:59:50 -04:00
parent d13e841511
commit 2d11484649
1 changed files with 17 additions and 3 deletions
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20
gen/asm-x86-32.h
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@@ -209,6 +209,7 @@ namespace AsmParserx8632
Op_Fis_P,
Op_Fid,
Op_Fid_P,
Op_FidR_P,
Op_Ffd,
Op_FfdR,
Op_Ffd_P,
@@ -449,7 +450,8 @@ namespace AsmParserx8632
/* Op_Fis_ST */ { mem, 0, 0, FPInt_Types, Clb_ST }, // "
/* Op_Fis_P */ { mem, 0, 0, FPInt_Types, Clb_ST }, // push and pop, fild so also 64 bit
/* Op_Fid */ { D|mem, 0, 0, FPInt_Types }, // only 16bit and 32bit, DMD defaults to 16bit
/* Op_Fid_P */ { D|mem, 0, 0, FPInt_Types, Clb_ST, Op_FfdRR_P }, // push and pop, fild so also 64 bit
/* Op_Fid_P */ { D|mem, 0, 0, FPInt_Types, Clb_ST, Next_Form, Op_FidR_P }, // push and pop, fild so also 64 bit
/* Op_FidR_P */ { D|mem,rfp, 0, 0, FPInt_Types, Clb_ST }, // push and pop, fild so also 64 bit
/* Op_Ffd */ { D|mfp, 0, 0, FP_Types, 0, Next_Form, Op_FfdR }, // only 16bit and 32bit, DMD defaults to 16bit, reg form doesn't need type
/* Op_FfdR */ { D|rfp, 0, 0 },
/* Op_Ffd_P */ { D|mfp, 0, 0, FP_Types, Clb_ST, Next_Form, Op_FfdR_P }, // pop, fld so also 80 bit, "
@@ -1757,13 +1759,25 @@ namespace AsmParserx8632
if ( operands[0].dataSize == Far_Ptr ) // %% type=Far_Ptr not set by Seg:Ofss OTOH, we don't support that..
insnTemplate->writebyte ( 'l' );
}
else if ( op == Op_fxch || op == Op_FfdRR_P)
else if ( op == Op_fxch || op == Op_FfdRR_P || op == Op_FidR_P )
{
if ( operands[0].cls == Opr_Mem && op == Op_FidR_P )
{
nOperands = 1;
}
// gas won't accept the two-operand form
if ( operands[1].cls == Opr_Reg && operands[1].reg == Reg_ST )
else if ( operands[1].cls == Opr_Reg && operands[1].reg == Reg_ST )
{
nOperands = 1;
}
else if ( operands[1].cls == Opr_Mem && operands[1].reg == Reg_ST || operands[0].cls == Opr_Mem )
{
nOperands = 1;
}
else if ( operands[0].cls == Opr_Reg && (operands[0].reg == Reg_ST || operands[0].reg == Reg_ST1 ))
{
//fix previous update to allow single operand form of fstp
}
else
{
stmt->error ( "invalid operands" );