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Changed llvm-mc to use the same suffixes with floating point compare

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instructions as the Mac OS X darwin assembler.  Some of which like 'fcoml'
assembled to different opcodes.  While some of the suffixes were just different.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102958 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby 2010-05-03 21:31:40 +00:00
parent eb612347f4
commit 9d0838fba8
2 changed files with 39 additions and 6 deletions
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12
lib/Target/X86/X86InstrFPStack.td
View File

@ -327,8 +327,8 @@ def TST_F : FPI<0xE4, RawFrm, (outs), (ins), "ftst">, D9;
// Versions of FP instructions that take a single memory operand. Added for the
// disassembler; remove as they are included with patterns elsewhere.
def FCOM32m : FPI<0xD8, MRM2m, (outs), (ins f32mem:$src), "fcom{l}\t$src">;
def FCOMP32m : FPI<0xD8, MRM3m, (outs), (ins f32mem:$src), "fcomp{l}\t$src">;
def FCOM32m : FPI<0xD8, MRM2m, (outs), (ins f32mem:$src), "fcom{s}\t$src">;
def FCOMP32m : FPI<0xD8, MRM3m, (outs), (ins f32mem:$src), "fcomp{s}\t$src">;
def FLDENVm : FPI<0xD9, MRM4m, (outs), (ins f32mem:$src), "fldenv\t$src">;
def FSTENVm : FPI<0xD9, MRM6m, (outs f32mem:$dst), (ins), "fnstenv\t$dst">;
@ -336,15 +336,15 @@ def FSTENVm : FPI<0xD9, MRM6m, (outs f32mem:$dst), (ins), "fnstenv\t$dst">;
def FICOM32m : FPI<0xDA, MRM2m, (outs), (ins i32mem:$src), "ficom{l}\t$src">;
def FICOMP32m: FPI<0xDA, MRM3m, (outs), (ins i32mem:$src), "ficomp{l}\t$src">;
def FCOM64m : FPI<0xDC, MRM2m, (outs), (ins f64mem:$src), "fcom{ll}\t$src">;
def FCOMP64m : FPI<0xDC, MRM3m, (outs), (ins f64mem:$src), "fcomp{ll}\t$src">;
def FCOM64m : FPI<0xDC, MRM2m, (outs), (ins f64mem:$src), "fcom{l}\t$src">;
def FCOMP64m : FPI<0xDC, MRM3m, (outs), (ins f64mem:$src), "fcomp{l}\t$src">;
def FRSTORm : FPI<0xDD, MRM4m, (outs f32mem:$dst), (ins), "frstor\t$dst">;
def FSAVEm : FPI<0xDD, MRM6m, (outs f32mem:$dst), (ins), "fnsave\t$dst">;
def FNSTSWm : FPI<0xDD, MRM7m, (outs f32mem:$dst), (ins), "fnstsw\t$dst">;
def FICOM16m : FPI<0xDE, MRM2m, (outs), (ins i16mem:$src), "ficom{w}\t$src">;
def FICOMP16m: FPI<0xDE, MRM3m, (outs), (ins i16mem:$src), "ficomp{w}\t$src">;
def FICOM16m : FPI<0xDE, MRM2m, (outs), (ins i16mem:$src), "ficom{s}\t$src">;
def FICOMP16m: FPI<0xDE, MRM3m, (outs), (ins i16mem:$src), "ficomp{s}\t$src">;
def FBLDm : FPI<0xDF, MRM4m, (outs), (ins f32mem:$src), "fbld\t$src">;
def FBSTPm : FPI<0xDF, MRM6m, (outs f32mem:$dst), (ins), "fbstp\t$dst">;

33
test/MC/AsmParser/X86/x86_32-encoding.s
View File

@ -10014,3 +10014,36 @@ pshufb CPI1_0(%rip), %xmm1
// CHECK: movd 3735928559(%ebx,%ecx,8), %xmm5
// CHECK: encoding: [0x66,0x0f,0x6e,0xac,0xcb,0xef,0xbe,0xad,0xde]
movd 3735928559(%ebx,%ecx,8), %xmm5
// radr://7914715
// CHECK: fcoml 3735928559(%ebx,%ecx,8)
// CHECK: encoding: [0xdc,0x94,0xcb,0xef,0xbe,0xad,0xde]
fcoml 3735928559(%ebx,%ecx,8)
// CHECK: fcoms 32493
// CHECK: encoding: [0xd8,0x15,0xed,0x7e,0x00,0x00]
fcoms 32493
// CHECK: fcompl 3735928559(%ebx,%ecx,8)
// CHECK: encoding: [0xdc,0x9c,0xcb,0xef,0xbe,0xad,0xde]
fcompl 3735928559(%ebx,%ecx,8)
// CHECK: fcomps 32493
// CHECK: encoding: [0xd8,0x1d,0xed,0x7e,0x00,0x00]
fcomps 32493
// CHECK: ficoml 3735928559(%ebx,%ecx,8)
// CHECK: encoding: [0xda,0x94,0xcb,0xef,0xbe,0xad,0xde]
ficoml 3735928559(%ebx,%ecx,8)
// CHECK: ficoms 32493
// CHECK: encoding: [0xde,0x15,0xed,0x7e,0x00,0x00]
ficoms 32493
// CHECK: ficompl 3735928559(%ebx,%ecx,8)
// CHECK: encoding: [0xda,0x9c,0xcb,0xef,0xbe,0xad,0xde]
ficompl 3735928559(%ebx,%ecx,8)
// CHECK: ficomps 32493
// CHECK: encoding: [0xde,0x1d,0xed,0x7e,0x00,0x00]
ficomps 32493