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| author | Lukas Larsson <[email protected]> | 2014-11-24 16:37:12 +0100 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2014-11-24 16:37:12 +0100 |
| commit | b36de499775d6dfcdb61ce1df079911a4ed3f2d5 (patch) | |
| tree | c55fd85d8eafb437f10cafad034010ead206c5e4 /erts/emulator/sys | |
| parent | 2b13135cc0e23ec01f5a74c371b60ef0ec02775e (diff) | |
| parent | ee11116c547c4559ed899ecadef9cf2038b2b336 (diff) | |
| download | otp-b36de499775d6dfcdb61ce1df079911a4ed3f2d5.tar.gz otp-b36de499775d6dfcdb61ce1df079911a4ed3f2d5.tar.bz2 otp-b36de499775d6dfcdb61ce1df079911a4ed3f2d5.zip | |
Merge branch 'maint'
* maint:
erts: Use finite instead of isfinite with gcc
Diffstat (limited to 'erts/emulator/sys')
| -rw-r--r-- | erts/emulator/sys/unix/erl_unix_sys.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/erts/emulator/sys/unix/erl_unix_sys.h b/erts/emulator/sys/unix/erl_unix_sys.h index c3dba69acb..f7a6298d5b 100644 --- a/erts/emulator/sys/unix/erl_unix_sys.h +++ b/erts/emulator/sys/unix/erl_unix_sys.h @@ -229,6 +229,17 @@ extern void sys_stop_cat(void); #ifdef USE_ISINF_ISNAN /* simulate finite() */ # define isfinite(f) (!isinf(f) && !isnan(f)) # define HAVE_ISFINITE +#elif defined(__GNUC__) && defined(HAVE_FINITE) +/* We use finite in gcc as it emits assembler instead of + the function call that isfinite emits. The assembler is + significantly faster. */ +# ifdef isfinite +# undef isfinite +# endif +# define isfinite finite +# ifndef HAVE_ISFINITE +# define HAVE_ISFINITE +# endif #elif defined(isfinite) && !defined(HAVE_ISFINITE) # define HAVE_ISFINITE #elif !defined(HAVE_ISFINITE) && defined(HAVE_FINITE) |