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sfp-machine.h (FP_EX_ALL): Define.

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* 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.

From-SVN: r194243
This commit is contained in:
Uros Bizjak 2012-12-06 10:49:43 +01:00
parent cb0a70cac9
commit 4f2b3dc2b4
4 changed files with 26 additions and 10 deletions
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15
libgcc/ChangeLog
View File

@ -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.

8
libgcc/config/i386/32/sfp-machine.h
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@ -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)); \

8
libgcc/config/i386/64/sfp-machine.h
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@ -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)); \

5
libgcc/config/i386/sfp-machine.h
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@ -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