[libc-commits] [libc] [libc] Implement basic 'fenv.h' utilities on the AMD GPU (PR #83500)

[Matt Arsenault via libc-commits]

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@@ -26,19 +31,66 @@ TEST_F(LlvmLibcRoundingModeTest, SetAndGet) {
   EXPECT_EQ(s, 0);
   int rm = LIBC_NAMESPACE::fegetround();
   EXPECT_EQ(rm, FE_TONEAREST);
+  EXPECT_TRUE(LIBC_NAMESPACE::fputil::fenv_is_round_to_nearest());
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arsenm wrote:

Test this last. Also should actually perform an FP operation to make sure it used the right mode 

https://github.com/llvm/llvm-project/pull/83500