diff options
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/ChangeLog | 15 | ||||
| -rw-r--r-- | libgcc/config/i386/32/sfp-machine.h | 8 | ||||
| -rw-r--r-- | libgcc/config/i386/64/sfp-machine.h | 8 | ||||
| -rw-r--r-- | libgcc/config/i386/sfp-machine.h | 5 |
4 files changed, 26 insertions, 10 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index adb7422..7e15a8c 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,10 @@ +2012-12-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sfp-machine.h (FP_EX_ALL): Define. + (FP_TRAPPING_EXCEPTIONS): Define. + * config/i386/32/sfp-machine.h (FP_EX_SHIFT): Define. + * config/i386/64/sfp-machine.h (FP_EX_SHIFT): Ditto. + 2012-12-04 Richard Henderson <rth@redhat.com> PR bootstrap/55571 @@ -5,7 +12,7 @@ 2012-12-04 Marcus Shawcroft <marcus.shawcroft@arm.com> - * config/aarch64/sfp-machine.h (FP_EX_ALL): Define. + * config/aarch64/sfp-machine.h (FP_EX_ALL): Define. (FP_EX_SHIFT): Define. (FP_TRAPPING_EXCEPTIONS): Define. @@ -46,7 +53,7 @@ PR libgcc/48076 * emutls.c (__emutls_get_address): Avoid race condition between obj->loc.offset read and emutls_key initialization. - + 2012-11-22 Georg-Johann Lay <avr@gjlay.de> Adjust decimal point of signed accum mode to GCC default. @@ -58,8 +65,8 @@ (__fractsasf, __fractsfha, __fractusqsf, __fractsfsa) (__mulha3, __mulsa3) (__divqq3, __divha3, __divsa3): Adjust to new position of - decimal point of signed accum types. - + decimal point of signed accum types. + (__mulusa3_round): New function. (__mulusa3): Use it. (__divqq_helper): New function. diff --git a/libgcc/config/i386/32/sfp-machine.h b/libgcc/config/i386/32/sfp-machine.h index d81d9a3..143296d 100644 --- a/libgcc/config/i386/32/sfp-machine.h +++ b/libgcc/config/i386/32/sfp-machine.h @@ -78,6 +78,11 @@ #define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0 #ifndef _SOFT_FLOAT +#define FP_EX_SHIFT 0 + +#define _FP_DECL_EX \ + unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST; + #define FP_RND_NEAREST 0 #define FP_RND_ZERO 0xc00 #define FP_RND_PINF 0x800 @@ -85,9 +90,6 @@ #define FP_RND_MASK 0xc00 -#define _FP_DECL_EX \ - unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST; - #define FP_INIT_ROUNDMODE \ do { \ __asm__ __volatile__ ("fnstcw\t%0" : "=m" (_fcw)); \ diff --git a/libgcc/config/i386/64/sfp-machine.h b/libgcc/config/i386/64/sfp-machine.h index 21c9edc..1ff94c2 100644 --- a/libgcc/config/i386/64/sfp-machine.h +++ b/libgcc/config/i386/64/sfp-machine.h @@ -19,6 +19,11 @@ typedef unsigned int UTItype __attribute__ ((mode (TI))); #define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0 #ifndef _SOFT_FLOAT +#define FP_EX_SHIFT 7 + +#define _FP_DECL_EX \ + unsigned int _fcw __attribute__ ((unused)) = FP_RND_NEAREST; + #define FP_RND_NEAREST 0 #define FP_RND_ZERO 0x6000 #define FP_RND_PINF 0x4000 @@ -26,9 +31,6 @@ typedef unsigned int UTItype __attribute__ ((mode (TI))); #define FP_RND_MASK 0x6000 -#define _FP_DECL_EX \ - unsigned int _fcw __attribute__ ((unused)) = FP_RND_NEAREST; - #define FP_INIT_ROUNDMODE \ do { \ __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (_fcw)); \ diff --git a/libgcc/config/i386/sfp-machine.h b/libgcc/config/i386/sfp-machine.h index 9afbbcb..b19d94b 100644 --- a/libgcc/config/i386/sfp-machine.h +++ b/libgcc/config/i386/sfp-machine.h @@ -47,6 +47,9 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); #define FP_EX_OVERFLOW 0x08 #define FP_EX_UNDERFLOW 0x10 #define FP_EX_INEXACT 0x20 +#define FP_EX_ALL \ + (FP_EX_INVALID | FP_EX_DENORM | FP_EX_DIVZERO | FP_EX_OVERFLOW \ + | FP_EX_UNDERFLOW | FP_EX_INEXACT) void __sfp_handle_exceptions (int); @@ -56,6 +59,8 @@ void __sfp_handle_exceptions (int); __sfp_handle_exceptions (_fex); \ } while (0); +#define FP_TRAPPING_EXCEPTIONS ((_fcw >> FP_EX_SHIFT) & FP_EX_ALL) + #define FP_ROUNDMODE (_fcw & FP_RND_MASK) #endif |