Qiu Chaofan 7315d221a2 [PowerPC] Exploit vnmsubfp instruction ...

On PowerPC, we have vnmsubfp Altivec instruction for fnmsub operation on
v4f32 type. Default pattern for this instruction never works since we
don't have legal fneg for v4f32 when VSX disabled.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D80617

2020-06-14 23:19:17 +08:00

9.8 KiB

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