diff options
| -rw-r--r-- | libgfortran/ChangeLog | 5 | ||||
| -rw-r--r-- | libgfortran/config/fpu-387.h | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog index c79027a..0e5da98 100644 --- a/libgfortran/ChangeLog +++ b/libgfortran/ChangeLog @@ -1,3 +1,8 @@ +2010-08-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * config/fpu-387.h (has_sse): Remove cw_sse, unused. + Use fixed-length asm. + 2010-08-23 Tobias Burnus <burnus@net-b.de> PR fortran/45323 diff --git a/libgfortran/config/fpu-387.h b/libgfortran/config/fpu-387.h index 5fe51b2..2bd9efb 100644 --- a/libgfortran/config/fpu-387.h +++ b/libgfortran/config/fpu-387.h @@ -64,7 +64,6 @@ has_sse (void) if (edx & bit_SSE) { struct sigaction act, oact; - unsigned int cw_sse; act.sa_handler = sigill_hdlr; sigemptyset (&act.sa_mask); @@ -72,7 +71,9 @@ has_sse (void) act.sa_flags = SA_SIGINFO; sigaction (SIGILL, &act, &oact); - asm volatile ("stmxcsr %0" : "=m" (cw_sse)); + /* We need a single SSE instruction here so the handler can safely skip + over it. */ + __asm__ volatile ("movss %xmm2,%xmm1"); sigaction (SIGILL, &oact, NULL); |