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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 | |
| 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
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c-family/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.c | 2 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 16 |
4 files changed, 28 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4b639e0..514b97e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-11-05 Joseph Myers <joseph@codesourcery.com> + + * config/i386/i386.c (ix86_float_exceptions_rounding_supported_p): + New function. + (TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P): Define. + 2013-11-05 Marc Glisse <marc.glisse@inria.fr> PR tree-optimization/58958 diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index 9cd9e79..2de4c39 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,8 @@ +2013-11-05 Joseph Myers <joseph@codesourcery.com> + + * c-cppbuiltin.c (cpp_iec_559_value): Test + flag_excess_precision_cmdline not flag_excess_precision. + 2013-11-05 Tobias Burnus <burnus@net-b.de> * c.opt (fopenmp-simd): New option. diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c index 09c75c4..61a124c 100644 --- a/gcc/c-family/c-cppbuiltin.c +++ b/gcc/c-family/c-cppbuiltin.c @@ -734,7 +734,7 @@ cpp_iec_559_value (void) if (flag_iso && !c_dialect_cxx () && TARGET_FLT_EVAL_METHOD != 0 - && flag_excess_precision != EXCESS_PRECISION_STANDARD) + && flag_excess_precision_cmdline != EXCESS_PRECISION_STANDARD) ret = 0; /* Various options are contrary to IEEE 754 semantics. */ 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" |