* config/i386/64/sfp-machine.h (ASM_INVALID): New define.

	(ASM_DIVZERO): Ditto.
	(FP_HANLDE_EXCEPTIONS): Use ASM_INVALID and ASM_DIVZERO.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@177978 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 828f2c2..98f85ad 100644 (file)
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-08-23  Uros Bizjak  <ubizjak@gmail.com>
+
+       * 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  <richard.sandiford@linaro.org>
 
        * 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 5debf5a..7a2a4be 100644 (file)
--- 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)                                         \
       {                                                                        \