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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-08-20 11:47:15 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-08-20 11:47:15 +0000 |
| commit | 11bec5b80c2fc50d016b299f58eef67f8887683c (patch) | |
| tree | c70329abf859b1583094181c59598ec52bf2459a /llvm/test/CodeGen/X86 | |
| parent | cee9c648381f8eab45b1c1750676e47489e29242 (diff) | |
| download | bcm5719-llvm-11bec5b80c2fc50d016b299f58eef67f8887683c.tar.gz bcm5719-llvm-11bec5b80c2fc50d016b299f58eef67f8887683c.zip | |
[X86][SSE] Fix PACKSS bitcast test from rL340166
We need the signbits to extends to lower 16-bits of the even elements
llvm-svn: 340167
Diffstat (limited to 'llvm/test/CodeGen/X86')
| -rw-r--r-- | llvm/test/CodeGen/X86/packss.ll | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/llvm/test/CodeGen/X86/packss.ll b/llvm/test/CodeGen/X86/packss.ll index 6c1fcb4f9e5..0965947c1e7 100644 --- a/llvm/test/CodeGen/X86/packss.ll +++ b/llvm/test/CodeGen/X86/packss.ll @@ -45,13 +45,13 @@ define <8 x i16> @trunc_ashr_v4i64_bitcast(<4 x i64> %a0) { ; SSE-NEXT: movdqa %xmm0, %xmm2 ; SSE-NEXT: psrad $31, %xmm2 ; SSE-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,3,2,3] -; SSE-NEXT: psrad $15, %xmm0 +; SSE-NEXT: psrad $17, %xmm0 ; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,3,2,3] ; SSE-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1] ; SSE-NEXT: movdqa %xmm1, %xmm2 ; SSE-NEXT: psrad $31, %xmm2 ; SSE-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,3,2,3] -; SSE-NEXT: psrad $15, %xmm1 +; SSE-NEXT: psrad $17, %xmm1 ; SSE-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,3,2,3] ; SSE-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1] ; SSE-NEXT: pslld $16, %xmm1 @@ -64,12 +64,12 @@ define <8 x i16> @trunc_ashr_v4i64_bitcast(<4 x i64> %a0) { ; AVX1-LABEL: trunc_ashr_v4i64_bitcast: ; AVX1: # %bb.0: ; AVX1-NEXT: vpsrad $31, %xmm0, %xmm1 -; AVX1-NEXT: vpsrad $15, %xmm0, %xmm2 +; AVX1-NEXT: vpsrad $17, %xmm0, %xmm2 ; AVX1-NEXT: vpshufd {{.*#+}} xmm2 = xmm2[1,1,3,3] ; AVX1-NEXT: vpblendw {{.*#+}} xmm1 = xmm2[0,1],xmm1[2,3],xmm2[4,5],xmm1[6,7] ; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm0 ; AVX1-NEXT: vpsrad $31, %xmm0, %xmm2 -; AVX1-NEXT: vpsrad $15, %xmm0, %xmm0 +; AVX1-NEXT: vpsrad $17, %xmm0, %xmm0 ; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3] ; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7] ; AVX1-NEXT: vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] @@ -82,15 +82,15 @@ define <8 x i16> @trunc_ashr_v4i64_bitcast(<4 x i64> %a0) { ; AVX2-LABEL: trunc_ashr_v4i64_bitcast: ; AVX2: # %bb.0: ; AVX2-NEXT: vpsrad $31, %ymm0, %ymm1 -; AVX2-NEXT: vpsrad $15, %ymm0, %ymm0 +; AVX2-NEXT: vpsrad $17, %ymm0, %ymm0 ; AVX2-NEXT: vpshufd {{.*#+}} ymm0 = ymm0[1,1,3,3,5,5,7,7] ; AVX2-NEXT: vpblendd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7] -; AVX2-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31] +; AVX2-NEXT: vpackssdw %ymm0, %ymm0, %ymm0 ; AVX2-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3] ; AVX2-NEXT: # kill: def $xmm0 killed $xmm0 killed $ymm0 ; AVX2-NEXT: vzeroupper ; AVX2-NEXT: ret{{[l|q]}} - %1 = ashr <4 x i64> %a0, <i64 47, i64 47, i64 47, i64 47> + %1 = ashr <4 x i64> %a0, <i64 49, i64 49, i64 49, i64 49> %2 = bitcast <4 x i64> %1 to <8 x i32> %3 = trunc <8 x i32> %2 to <8 x i16> ret <8 x i16> %3 |
