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| author | Joseph Myers <joseph@codesourcery.com> | 2013-11-05 13:21:36 +0000 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2013-11-05 13:21:36 +0000 |
| commit | 254a0760a191f53494e0416dadf9607c71b1844f (patch) | |
| tree | effb5cf317fbada14a48899a247e85e16f7325b2 /gcc/config/i386/i386.c | |
| parent | 4de9c53f028bdf64e1be92fd380ec06d34cf27f8 (diff) | |
| download | gcc-254a0760a191f53494e0416dadf9607c71b1844f.zip gcc-254a0760a191f53494e0416dadf9607c71b1844f.tar.gz gcc-254a0760a191f53494e0416dadf9607c71b1844f.tar.bz2 | |
i386.c (ix86_float_exceptions_rounding_supported_p): New function.
* config/i386/i386.c (ix86_float_exceptions_rounding_supported_p):
New function.
(TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P): Define.
c-family:
* c-cppbuiltin.c (cpp_iec_559_value): Test
flag_excess_precision_cmdline not flag_excess_precision.
From-SVN: r204390
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 11064d8..771fabe 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -43519,6 +43519,18 @@ ix86_memmodel_check (unsigned HOST_WIDE_INT val) return val; } +/* Implement TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P. */ + +static bool +ix86_float_exceptions_rounding_supported_p (void) +{ + /* For x87 floating point with standard excess precision handling, + there is no adddf3 pattern (since x87 floating point only has + XFmode operations) so the default hook implementation gets this + wrong. */ + return TARGET_80387 || TARGET_SSE_MATH; +} + /* Initialize the GCC target structure. */ #undef TARGET_RETURN_IN_MEMORY #define TARGET_RETURN_IN_MEMORY ix86_return_in_memory @@ -43895,6 +43907,10 @@ ix86_memmodel_check (unsigned HOST_WIDE_INT val) #undef TARGET_SPILL_CLASS #define TARGET_SPILL_CLASS ix86_spill_class +#undef TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P +#define TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P \ + ix86_float_exceptions_rounding_supported_p + struct gcc_target targetm = TARGET_INITIALIZER; #include "gt-i386.h" |