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[i386] define __SIZEOF_FLOAT128__
- From: Marc Glisse <marc dot glisse at inria dot fr>
- To: gcc-patches at gcc dot gnu dot org
- Date: Sun, 13 Apr 2014 15:31:16 +0200 (CEST)
- Subject: [i386] define __SIZEOF_FLOAT128__
- Authentication-results: sourceware.org; auth=none
Hello,
some people like having a macro to test if a type is available
(__SIZEOF_INT128__ for instance). This adds macros for __float80 and
__float128. The types seem to be always available, so I didn't add any
condition.
If you think this is a bad idea, please close the PR.
Bootstrap+testsuite on x86_64-linux-gnu.
2014-04-13 Marc Glisse <marc.glisse@inria.fr>
PR preprocessor/56540
* config/i386/i386-c.c (ix86_target_macros): Define
__SIZEOF_FLOAT80__ and __SIZEOF_FLOAT128__.
--
Marc Glisse
Index: gcc/config/i386/i386-c.c
===================================================================
--- gcc/config/i386/i386-c.c (revision 209345)
+++ gcc/config/i386/i386-c.c (working copy)
@@ -511,20 +511,27 @@ ix86_target_macros (void)
if (!TARGET_80387)
cpp_define (parse_in, "_SOFT_FLOAT");
if (TARGET_LONG_DOUBLE_64)
cpp_define (parse_in, "__LONG_DOUBLE_64__");
if (TARGET_LONG_DOUBLE_128)
cpp_define (parse_in, "__LONG_DOUBLE_128__");
+ if (TARGET_64BIT)
+ cpp_define (parse_in, "__SIZEOF_FLOAT80__=16");
+ else
+ cpp_define (parse_in, "__SIZEOF_FLOAT80__=12");
+
+ cpp_define (parse_in, "__SIZEOF_FLOAT128__=16");
+
cpp_define_formatted (parse_in, "__ATOMIC_HLE_ACQUIRE=%d", IX86_HLE_ACQUIRE);
cpp_define_formatted (parse_in, "__ATOMIC_HLE_RELEASE=%d", IX86_HLE_RELEASE);
ix86_target_macros_internal (ix86_isa_flags,
ix86_arch,
ix86_tune,
ix86_fpmath,
cpp_define);
}