[PATCH] D141765: [FPEnv] Fix complex operations in strictfp mode

Wed Jan 18 02:58:52 PST 2023

sepavloff added a comment.

In D141765#4059214 <https://reviews.llvm.org/D141765#4059214>, @kpn wrote:

> Are we testing _Complex multiply or subtraction anywhere? I have a vague memory of multiply not working correctly.

There is a test `clang/test/CodeGen/complex-math.c` that checks complex operations including subtraction and multiplication. The check for multiplication is not thorough however. And only default FP environment is checked.

IIRC spec2017 contains a test that uses C99 complex numbers. If there were issues, I think they would be reported.

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https://reviews.llvm.org/D141765