From f70c879aa8ffe0bca4fcb6484dfc5c6f3a2cd564 Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Tue, 23 Aug 2011 01:13:57 +0200 Subject: [PATCH] sfp-machine.h (ASM_INVALID): New define. * config/i386/64/sfp-machine.h (ASM_INVALID): New define. (ASM_DIVZERO): Ditto. (FP_HANLDE_EXCEPTIONS): Use ASM_INVALID and ASM_DIVZERO. From-SVN: r177978 --- libgcc/ChangeLog | 6 ++++++ libgcc/config/i386/64/sfp-machine.h | 12 ++++++++++-- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 828f2c2e8f2..98f85ad3281 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,9 @@ +2011-08-23 Uros Bizjak + + * config/i386/64/sfp-machine.h (ASM_INVALID): New define. + (ASM_DIVZERO): Ditto. + (FP_HANLDE_EXCEPTIONS): Use ASM_INVALID and ASM_DIVZERO. + 2011-08-18 Richard Sandiford * config/arm/bpabi-lib.h (RENAME_LIBRARY_SET): Delete. diff --git a/libgcc/config/i386/64/sfp-machine.h b/libgcc/config/i386/64/sfp-machine.h index 5debf5ae44a..7a2a4beaaaf 100644 --- a/libgcc/config/i386/64/sfp-machine.h +++ b/libgcc/config/i386/64/sfp-machine.h @@ -73,17 +73,25 @@ struct fenv unsigned short int __unused5; }; +#ifdef __AVX__ + #define ASM_INVALID "vdivss %0, %0, %0" + #define ASM_DIVZERO "vdivss %1, %0, %0" +#else + #define ASM_INVALID "divss %0, %0" + #define ASM_DIVZERO "divss %1, %0" +#endif + #define FP_HANDLE_EXCEPTIONS \ do { \ if (_fex & FP_EX_INVALID) \ { \ float f = 0.0; \ - __asm__ __volatile__ ("divss %0, %0 " : : "x" (f)); \ + __asm__ __volatile__ (ASM_INVALID : : "x" (f)); \ } \ if (_fex & FP_EX_DIVZERO) \ { \ float f = 1.0, g = 0.0; \ - __asm__ __volatile__ ("divss %1, %0" : : "x" (f), "x" (g)); \ + __asm__ __volatile__ (ASM_DIVZERO : : "x" (f), "x" (g)); \ } \ if (_fex & FP_EX_OVERFLOW) \ { \