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X86 palignr intrinsics immediate field is in bits. ISel must transform it into bytes.

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llvm-svn: 85379
This commit is contained in:
Evan Cheng 2009-10-28 06:30:34 +00:00
parent 6cf32f04df
commit 5935e48b96
1 changed files with 29 additions and 24 deletions
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53
lib/Target/X86/X86InstrSSE.td
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@ -174,7 +174,8 @@ def fp32imm0 : PatLeaf<(f32 fpimm), [{
return N->isExactlyValue(+0.0);
}]>;
def PSxLDQ_imm : SDNodeXForm<imm, [{
// BYTE_imm - Transform bit immediates into byte immediates.
def BYTE_imm : SDNodeXForm<imm, [{
// Transformation function: imm >> 3
return getI32Imm(N->getZExtValue() >> 3);
}]>;
@ -1996,21 +1997,21 @@ let Constraints = "$src1 = $dst", neverHasSideEffects = 1 in {
let Predicates = [HasSSE2] in {
def : Pat<(int_x86_sse2_psll_dq VR128:$src1, imm:$src2),
(v2i64 (PSLLDQri VR128:$src1, (PSxLDQ_imm imm:$src2)))>;
(v2i64 (PSLLDQri VR128:$src1, (BYTE_imm imm:$src2)))>;
def : Pat<(int_x86_sse2_psrl_dq VR128:$src1, imm:$src2),
(v2i64 (PSRLDQri VR128:$src1, (PSxLDQ_imm imm:$src2)))>;
(v2i64 (PSRLDQri VR128:$src1, (BYTE_imm imm:$src2)))>;
def : Pat<(int_x86_sse2_psll_dq_bs VR128:$src1, imm:$src2),
(v2i64 (PSLLDQri VR128:$src1, imm:$src2))>;
def : Pat<(int_x86_sse2_psrl_dq_bs VR128:$src1, imm:$src2),
(v2i64 (PSRLDQri VR128:$src1, imm:$src2))>;
def : Pat<(v2f64 (X86fsrl VR128:$src1, i32immSExt8:$src2)),
(v2f64 (PSRLDQri VR128:$src1, (PSxLDQ_imm imm:$src2)))>;
(v2f64 (PSRLDQri VR128:$src1, (BYTE_imm imm:$src2)))>;
// Shift up / down and insert zero's.
def : Pat<(v2i64 (X86vshl VR128:$src, (i8 imm:$amt))),
(v2i64 (PSLLDQri VR128:$src, (PSxLDQ_imm imm:$amt)))>;
(v2i64 (PSLLDQri VR128:$src, (BYTE_imm imm:$amt)))>;
def : Pat<(v2i64 (X86vshr VR128:$src, (i8 imm:$amt))),
(v2i64 (PSRLDQri VR128:$src, (PSxLDQ_imm imm:$amt)))>;
(v2i64 (PSRLDQri VR128:$src, (BYTE_imm imm:$amt)))>;
}
// Logical
@ -2822,37 +2823,41 @@ let Constraints = "$src1 = $dst" in {
def PALIGNR64rr : SS3AI<0x0F, MRMSrcReg, (outs VR64:$dst),
(ins VR64:$src1, VR64:$src2, i16imm:$src3),
"palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[(set VR64:$dst,
(int_x86_ssse3_palign_r
VR64:$src1, VR64:$src2,
imm:$src3))]>;
[]>;
def PALIGNR64rm : SS3AI<0x0F, MRMSrcMem, (outs VR64:$dst),
(ins VR64:$src1, i64mem:$src2, i16imm:$src3),
"palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[(set VR64:$dst,
(int_x86_ssse3_palign_r
VR64:$src1,
(bitconvert (memopv2i32 addr:$src2)),
imm:$src3))]>;
[]>;
def PALIGNR128rr : SS3AI<0x0F, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, i32imm:$src3),
"palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[(set VR128:$dst,
(int_x86_ssse3_palign_r_128
VR128:$src1, VR128:$src2,
imm:$src3))]>, OpSize;
[]>, OpSize;
def PALIGNR128rm : SS3AI<0x0F, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, i128mem:$src2, i32imm:$src3),
"palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[(set VR128:$dst,
(int_x86_ssse3_palign_r_128
VR128:$src1,
(bitconvert (memopv4i32 addr:$src2)),
imm:$src3))]>, OpSize;
[]>, OpSize;
}
// palignr patterns.
def : Pat<(int_x86_ssse3_palign_r VR64:$src1, VR64:$src2, (i16 imm:$src3)),
(PALIGNR64rr VR64:$src1, VR64:$src2, (BYTE_imm imm:$src3))>,
Requires<[HasSSSE3]>;
def : Pat<(int_x86_ssse3_palign_r VR64:$src1,
(memop64 addr:$src2),
(i16 imm:$src3)),
(PALIGNR64rm VR64:$src1, addr:$src2, (BYTE_imm imm:$src3))>,
Requires<[HasSSSE3]>;
def : Pat<(int_x86_ssse3_palign_r_128 VR128:$src1, VR128:$src2, (i32 imm:$src3)),
(PALIGNR128rr VR128:$src1, VR128:$src2, (BYTE_imm imm:$src3))>,
Requires<[HasSSSE3]>;
def : Pat<(int_x86_ssse3_palign_r_128 VR128:$src1,
(memopv2i64 addr:$src2),
(i32 imm:$src3)),
(PALIGNR128rm VR128:$src1, addr:$src2, (BYTE_imm imm:$src3))>,
Requires<[HasSSSE3]>;
let AddedComplexity = 5 in {
def : Pat<(v4i32 (palign:$src3 VR128:$src1, VR128:$src2)),
(PALIGNR128rr VR128:$src2, VR128:$src1,