diff options
| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-02-15 08:58:46 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-04-17 16:12:41 -0300 |
| commit | 8565bb7763e71465b2f6dceb2319a785cf9092c0 (patch) | |
| tree | 81582c95400b602efe78ce11de481635acefe93c | |
| parent | c72809e0d871e8eebee20a6d9d0319392555e3d5 (diff) | |
| download | glibc-8565bb7763e71465b2f6dceb2319a785cf9092c0.tar.gz glibc-8565bb7763e71465b2f6dceb2319a785cf9092c0.tar.xz glibc-8565bb7763e71465b2f6dceb2319a785cf9092c0.zip | |
Build glibc with -ftrapping-math
GCC enables it by default, clang in the other hand sets -fno-trapping-math. This is required to fix some math and stdlib tests that explicit raises floating point exceptions (i.e. stdlib/tst-strtod-round on aarch64).
| -rw-r--r-- | Makeconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Makeconfig b/Makeconfig index 3cf894479a..cf0b7ab8b6 100644 --- a/Makeconfig +++ b/Makeconfig @@ -883,6 +883,9 @@ endif # disable any optimization that assume default rounding mode. +math-flags = $(config-cflags-frounding-math) +# We have to assume that glibc functions might generate user-visible traps. ++math-flags += -ftrapping-math + # Logically only "libnldbl", "nonlib" and "testsuite" should be using # -fno-math-errno. However due to GCC bug #88576, only "libm" can use # -fno-math-errno. |