procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Remove SSE execution test in crtfastmath.c

Browse source 
* config/i386/crtfastmath.c [!__x86_64__ && __sun__ && __svr4__]
	(sigill_caught, sigill_hdlr): Remove.

From-SVN: r209783
This commit is contained in:
Rainer Orth 2014-04-25 08:01:09 +00:00 • committed by Rainer Orth
parent 92b3326b2f
commit 54cf37e9bf
2 changed files with 5 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
libgcc/ChangeLog
View file

@ -1,3 +1,8 @@
2014-04-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/i386/crtfastmath.c [!__x86_64__ && __sun__ && __svr4__]
(sigill_caught, sigill_hdlr): Remove.
2014-04-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/i386/crtfastmath.c (set_fast_math): Remove SSE execution

20
libgcc/config/i386/crtfastmath.c
View file

@ -31,26 +31,6 @@
#include "cpuid.h"
#endif
#if !defined __x86_64__ && defined __sun__ && defined __svr4__
#include <signal.h>
#include <ucontext.h>
static volatile sig_atomic_t sigill_caught;
static void
sigill_hdlr (int sig __attribute((unused)),
siginfo_t *sip __attribute__((unused)),
ucontext_t *ucp)
{
sigill_caught = 1;
/* Set PC to the instruction after the faulting one to skip over it,
otherwise we enter an infinite loop. 3 is the size of the movaps
instruction. */
ucp->uc_mcontext.gregs[EIP] += 3;
setcontext (ucp);
}
#endif
static void __attribute__((constructor))
#ifndef __x86_64__
/* The i386 ABI only requires 4-byte stack alignment, so this is necessary