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Made this into a bug report: PR1286
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35439 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -572,43 +572,3 @@ swizzle:
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ret
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//===---------------------------------------------------------------------===//
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We should compile this:
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#include <xmmintrin.h>
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void foo(__m128i *A, __m128i *B) {
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*A = _mm_sll_epi16 (*A, *B);
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}
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to:
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_foo:
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subl $12, %esp
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movl 16(%esp), %edx
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movl 20(%esp), %eax
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movdqa (%edx), %xmm1
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movdqa (%eax), %xmm0
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psllw %xmm0, %xmm1
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movdqa %xmm1, (%edx)
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addl $12, %esp
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ret
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not:
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_foo:
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movl 8(%esp), %eax
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movdqa (%eax), %xmm0
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#IMPLICIT_DEF %eax
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pinsrw $2, %eax, %xmm0
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xorl %ecx, %ecx
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pinsrw $3, %ecx, %xmm0
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pinsrw $4, %eax, %xmm0
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pinsrw $5, %ecx, %xmm0
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pinsrw $6, %eax, %xmm0
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pinsrw $7, %ecx, %xmm0
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movl 4(%esp), %eax
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movdqa (%eax), %xmm1
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psllw %xmm0, %xmm1
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movdqa %xmm1, (%eax)
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ret
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