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Removed SSEPacked domain from all forms (AVX, SSE, signed, unsigned) scalar compare instructions, like COMISS, COMISD. 

No functional changes.

llvm-svn: 182371
This commit is contained in:
Elena Demikhovsky 2013-05-21 12:04:22 +00:00
parent 04be044af5
commit fad029202f
2 changed files with 27 additions and 25 deletions
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7
llvm/lib/Target/X86/X86InstrFormats.td
View File

@ -292,13 +292,18 @@ class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
}
def __xs : XS;
def __xd : XD;
// SI - SSE 1 & 2 scalar instructions
class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern, InstrItinClass itin = NoItinerary>
: I<o, F, outs, ins, asm, pattern, itin> {
let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
!if(!eq(Prefix, __xs.Prefix), [UseSSE1], [UseSSE2]));
// !if(!eq(Prefix, __xs.Prefix), [UseSSE1], [UseSSE2]));
// !if(hasOpSizePrefix, [UseSSE2], [UseSSE1])));
!if(!eq(Prefix, __xs.Prefix), [UseSSE1],
!if(!eq(Prefix, __xd.Prefix), [UseSSE2],
!if(hasOpSizePrefix, [UseSSE2], [UseSSE1]))));
// AVX instructions have a 'v' prefix in the mnemonic
let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);

45
llvm/lib/Target/X86/X86InstrSSE.td
View File

@ -2342,65 +2342,62 @@ let Constraints = "$src1 = $dst" in {
// sse12_ord_cmp - Unordered/Ordered scalar fp compare and set EFLAGS
multiclass sse12_ord_cmp<bits<8> opc, RegisterClass RC, SDNode OpNode,
ValueType vt, X86MemOperand x86memop,
PatFrag ld_frag, string OpcodeStr, Domain d> {
def rr: PI<opc, MRMSrcReg, (outs), (ins RC:$src1, RC:$src2),
PatFrag ld_frag, string OpcodeStr> {
def rr: SI<opc, MRMSrcReg, (outs), (ins RC:$src1, RC:$src2),
!strconcat(OpcodeStr, "\t{$src2, $src1|$src1, $src2}"),
[(set EFLAGS, (OpNode (vt RC:$src1), RC:$src2))],
IIC_SSE_COMIS_RR, d>,
IIC_SSE_COMIS_RR>,
Sched<[WriteFAdd]>;
def rm: PI<opc, MRMSrcMem, (outs), (ins RC:$src1, x86memop:$src2),
def rm: SI<opc, MRMSrcMem, (outs), (ins RC:$src1, x86memop:$src2),
!strconcat(OpcodeStr, "\t{$src2, $src1|$src1, $src2}"),
[(set EFLAGS, (OpNode (vt RC:$src1),
(ld_frag addr:$src2)))],
IIC_SSE_COMIS_RM, d>,
IIC_SSE_COMIS_RM>,
Sched<[WriteFAddLd, ReadAfterLd]>;
}
let Defs = [EFLAGS] in {
defm VUCOMISS : sse12_ord_cmp<0x2E, FR32, X86cmp, f32, f32mem, loadf32,
"ucomiss", SSEPackedSingle>, TB, VEX, VEX_LIG;
"ucomiss">, TB, VEX, VEX_LIG;
defm VUCOMISD : sse12_ord_cmp<0x2E, FR64, X86cmp, f64, f64mem, loadf64,
"ucomisd", SSEPackedDouble>, TB, OpSize, VEX,
VEX_LIG;
"ucomisd">, TB, OpSize, VEX, VEX_LIG;
let Pattern = []<dag> in {
defm VCOMISS : sse12_ord_cmp<0x2F, VR128, undef, v4f32, f128mem, load,
"comiss", SSEPackedSingle>, TB, VEX,
VEX_LIG;
"comiss">, TB, VEX, VEX_LIG;
defm VCOMISD : sse12_ord_cmp<0x2F, VR128, undef, v2f64, f128mem, load,
"comisd", SSEPackedDouble>, TB, OpSize, VEX,
VEX_LIG;
"comisd">, TB, OpSize, VEX, VEX_LIG;
}
defm Int_VUCOMISS : sse12_ord_cmp<0x2E, VR128, X86ucomi, v4f32, f128mem,
load, "ucomiss", SSEPackedSingle>, TB, VEX;
load, "ucomiss">, TB, VEX;
defm Int_VUCOMISD : sse12_ord_cmp<0x2E, VR128, X86ucomi, v2f64, f128mem,
load, "ucomisd", SSEPackedDouble>, TB, OpSize, VEX;
load, "ucomisd">, TB, OpSize, VEX;
defm Int_VCOMISS : sse12_ord_cmp<0x2F, VR128, X86comi, v4f32, f128mem,
load, "comiss", SSEPackedSingle>, TB, VEX;
load, "comiss">, TB, VEX;
defm Int_VCOMISD : sse12_ord_cmp<0x2F, VR128, X86comi, v2f64, f128mem,
load, "comisd", SSEPackedDouble>, TB, OpSize, VEX;
load, "comisd">, TB, OpSize, VEX;
defm UCOMISS : sse12_ord_cmp<0x2E, FR32, X86cmp, f32, f32mem, loadf32,
"ucomiss", SSEPackedSingle>, TB;
"ucomiss">, TB;
defm UCOMISD : sse12_ord_cmp<0x2E, FR64, X86cmp, f64, f64mem, loadf64,
"ucomisd", SSEPackedDouble>, TB, OpSize;
"ucomisd">, TB, OpSize;
let Pattern = []<dag> in {
defm COMISS : sse12_ord_cmp<0x2F, VR128, undef, v4f32, f128mem, load,
"comiss", SSEPackedSingle>, TB;
"comiss">, TB;
defm COMISD : sse12_ord_cmp<0x2F, VR128, undef, v2f64, f128mem, load,
"comisd", SSEPackedDouble>, TB, OpSize;
"comisd">, TB, OpSize;
}
defm Int_UCOMISS : sse12_ord_cmp<0x2E, VR128, X86ucomi, v4f32, f128mem,
load, "ucomiss", SSEPackedSingle>, TB;
load, "ucomiss">, TB;
defm Int_UCOMISD : sse12_ord_cmp<0x2E, VR128, X86ucomi, v2f64, f128mem,
load, "ucomisd", SSEPackedDouble>, TB, OpSize;
load, "ucomisd">, TB, OpSize;
defm Int_COMISS : sse12_ord_cmp<0x2F, VR128, X86comi, v4f32, f128mem, load,
"comiss", SSEPackedSingle>, TB;
"comiss">, TB;
defm Int_COMISD : sse12_ord_cmp<0x2F, VR128, X86comi, v2f64, f128mem, load,
"comisd", SSEPackedDouble>, TB, OpSize;
"comisd">, TB, OpSize;
} // Defs = [EFLAGS]
// sse12_cmp_packed - sse 1 & 2 compare packed instructions