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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-04-03 16:39:17 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-04-04 14:29:28 -0300 |
| commit | 637bfc392f406c6c77f59494ed34949a6161bceb (patch) | |
| tree | 5a34cc9cca8f4f0670e1be613bf5bc66f9e80cb0 /math/Makefile | |
| parent | 87cb1dfcd6d1acbcd695279d7abd9163a0cc64fc (diff) | |
| download | glibc-637bfc392f406c6c77f59494ed34949a6161bceb.tar.xz glibc-637bfc392f406c6c77f59494ed34949a6161bceb.zip | |
math: x86 ceill traps when FE_INEXACT is enabled (BZ 31600)
The implementations of ceil functions using x87 floating point (i386 and
x86_64 long double only) traps when FE_INEXACT is enabled. Although
this is a GNU extension outside the scope of the C standard, other
architectures that also support traps do not show this behavior.
The fix moves the implementation to a common one that holds any
exceptions with a 'fnclex' (libc_feholdexcept_setround_387).
Checked on x86_64-linux-gnu and i686-linux-gnu.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'math/Makefile')
| -rw-r--r-- | math/Makefile | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/math/Makefile b/math/Makefile index 121a709121..d2a740eebe 100644 --- a/math/Makefile +++ b/math/Makefile @@ -498,6 +498,7 @@ tests = \ bug-nextafter \ bug-nexttoward \ bug-tgmath1 \ + test-ceil-except-2 \ test-femode \ test-femode-traps \ test-fenv basic-test \ @@ -989,6 +990,8 @@ CFLAGS-test-fe-snans-always-signal.c += $(config-cflags-signaling-nans) CFLAGS-test-nan-const.c += -fno-builtin +CFLAGS-test-ceil-except-2.c += -fno-builtin + include ../Rules gen-all-calls = $(gen-libm-calls) $(gen-calls) |