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| author | Uros Bizjak <ubizjak@gmail.com> | 2018-10-03 22:29:10 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2018-10-03 22:29:10 +0200 |
| commit | af8096fc2b6ee76426b021a2657291dfc62ca933 (patch) | |
| tree | 83eb5eae31cfbd2591e058e2306b5b54a20369b8 /libgcc/libgcc2.c | |
| parent | a41cc59de4134194fc2e96beb12cf18737da3cee (diff) | |
| download | gcc-af8096fc2b6ee76426b021a2657291dfc62ca933.zip gcc-af8096fc2b6ee76426b021a2657291dfc62ca933.tar.gz gcc-af8096fc2b6ee76426b021a2657291dfc62ca933.tar.bz2 | |
libgcc2.c (isnan): Use __builtin_isnan.
* libgcc2.c (isnan): Use __builtin_isnan.
(isfinite): Use __builtin_isfinite.
(isinf): Use __builtin_isinf.
From-SVN: r264823
Diffstat (limited to 'libgcc/libgcc2.c')
| -rw-r--r-- | libgcc/libgcc2.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/libgcc/libgcc2.c b/libgcc/libgcc2.c index f418f3a..8ac2025 100644 --- a/libgcc/libgcc2.c +++ b/libgcc/libgcc2.c @@ -1939,15 +1939,9 @@ NAME (TYPE x, int m) #define CONCAT2(A,B) _CONCAT2(A,B) #define _CONCAT2(A,B) A##B -/* All of these would be present in a full C99 implementation of <math.h> - and <complex.h>. Our problem is that only a few systems have such full - implementations. Further, libgcc_s.so isn't currently linked against - libm.so, and even for systems that do provide full C99, the extra overhead - of all programs using libgcc having to link against libm. So avoid it. */ - -#define isnan(x) __builtin_expect ((x) != (x), 0) -#define isfinite(x) __builtin_expect (!isnan((x) - (x)), 1) -#define isinf(x) __builtin_expect (!isnan(x) & !isfinite(x), 0) +#define isnan(x) __builtin_isnan (x) +#define isfinite(x) __builtin_isfinite (x) +#define isinf(x) __builtin_isinf (x) #define INFINITY CONCAT2(__builtin_huge_val, CEXT) () #define I 1i |