[PATCH] D71592: [X86] Enable STRICT_FP_TO_SINT/UINT on X86 backend.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/test/CodeGen/X86/vec-strict-fptoint-128.ll:397
+; AVX512DQ-NEXT:    # kill: def $xmm0 killed $xmm0 def $zmm0
+; AVX512DQ-NEXT:    vcvttpd2uqq %zmm0, %zmm0
+; AVX512DQ-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
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LiuChen3 wrote:
> pengfei wrote:
> > Just noticed: is this an unsafe behavior for strict FP, because the upper elements may cause exceptions?
> Maybe we can set these strict-fptoint legal only when target supports avx512vl  and avx512dq?
Can we use 0.0 to pad instead of undef?


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  https://reviews.llvm.org/D71592/new/

https://reviews.llvm.org/D71592