gcc:
* config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
pentiumpro on Solaris 8 and 9/x86.
* doc/install.texi (Specific, i?86-*-solaris2.[89]): Recommend GNU as.
Document SSE/SSE2 support.
* doc/sourcebuild.texi (Effective-Target Keywords): Document sse.
gcc/testsuite:
* lib/target-supports.exp (check_effective_target_sse): New proc.
* gcc.target/i386/sol2-check.h: New file.
* gcc.target/i386/sse-check.h (ILL_INSN, ILL_INSN_LEN): Define.
Include sol2-check.h.
(main) Only run do_test () if sol2_check ().
* gcc.target/i386/sse2-check.h: Likewise.
* gcc.target/i386/sse3-check.h: Likewise.
* gcc.dg/vect/tree-vect.h (check_vect) [__i386__ || __x86_64__]
[__sun__ && __svr4__]: Execute SSE2 instruction.
* gcc.target/i386/math-torture/math-torture.exp: Only add options
with -msse to MATH_TORTURE_OPTIONS if check_effective_target_sse.
* g++.dg/debug/dwarf2/const2b.C: Use dg-require-effective-target sse.
* g++.dg/ext/vector14.C: Likewise.
* g++.dg/other/mmintrin.C: Likewise.
* gcc.dg/
20020418-1.c: Likewise.
* gcc.dg/debug/dwarf2/const-2b.c: Likewise.
* gcc.dg/format/ms_unnamed-1.c: Likewise.
* gcc.dg/format/unnamed-1.c: Likewise.
Adapt dg-warning line number.
* gcc.dg/graphite/pr40281.c: Likewise.
* gcc.dg/pr32176.c: Likewise.
* gcc.dg/pr40550.c: Likewise.
* gcc.dg/prefetch-loop-arrays-1.c: Likewise.
* gcc.dg/torture/pr36891.c: Likewise.
* gcc.target/i386/
20020218-1.c: Likewise.
* gcc.target/i386/
20020523.c: Likewise.
* gcc.target/i386/abi-1.c: Likewise.
* gcc.target/i386/brokensqrt.c: Likewise.
* gcc.target/i386/fastcall-sseregparm.c: Likewise.
* gcc.target/i386/pr13366.c: Likewise.
* gcc.target/i386/pr13685.c: Likewise.
* gcc.target/i386/pr24306.c: Likewise.
* gcc.target/i386/pr31486.c: Likewise.
* gcc.target/i386/pr32065-1.c: Likewise.
* gcc.target/i386/pr32065-2.c: Likewise.
* gcc.target/i386/pr32389.c: Likewise.
* gcc.target/i386/pr38824.c: Likewise.
* gcc.target/i386/pr38931.c: Likewise.
* gcc.target/i386/pr39592-1.c: Likewise.
* gcc.target/i386/pr43766.c: Likewise.
* gcc.target/i386/recip-divf.c: Likewise.
* gcc.target/i386/recip-sqrtf.c: Likewise.
* gcc.target/i386/recip-vec-divf.c: Likewise.
* gcc.target/i386/recip-vec-sqrtf.c: Likewise.
* gcc.target/i386/sse-1.c: Likewise.
* gcc.target/i386/sse-16.c: Likewise.
* gcc.target/i386/sse-2.c: Likewise.
* gcc.target/i386/sse-20.c: Likewise.
* gcc.target/i386/sse-3.c: Likewise.
* gcc.target/i386/sse-7.c: Likewise.
* gcc.target/i386/sse-9.c: Likewise.
* gcc.target/i386/sse-addps-1.c: Likewise.
* gcc.target/i386/sse-addss-1.c: Likewise.
* gcc.target/i386/sse-andnps-1.c: Likewise.
* gcc.target/i386/sse-andps-1.c: Likewise.
* gcc.target/i386/sse-cmpss-1.c: Likewise.
* gcc.target/i386/sse-comiss-1.c: Likewise.
* gcc.target/i386/sse-comiss-2.c: Likewise.
* gcc.target/i386/sse-comiss-3.c: Likewise.
* gcc.target/i386/sse-comiss-4.c: Likewise.
* gcc.target/i386/sse-comiss-5.c: Likewise.
* gcc.target/i386/sse-comiss-6.c: Likewise.
* gcc.target/i386/sse-copysignf-vec.c: Likewise.
* gcc.target/i386/sse-cvtsi2ss-1.c: Likewise.
* gcc.target/i386/sse-cvtsi2ss-2.c: Likewise.
* gcc.target/i386/sse-cvtss2si-1.c: Likewise.
* gcc.target/i386/sse-cvtss2si-2.c: Likewise.
* gcc.target/i386/sse-cvttss2si-1.c: Likewise.
* gcc.target/i386/sse-cvttss2si-2.c: Likewise.
* gcc.target/i386/sse-divps-1.c: Likewise.
* gcc.target/i386/sse-divss-1.c: Likewise.
* gcc.target/i386/sse-init-v4hi-1.c: Likewise.
* gcc.target/i386/sse-init-v4sf-1.c: Likewise.
* gcc.target/i386/sse-maxps-1.c: Likewise.
* gcc.target/i386/sse-maxss-1.c: Likewise.
* gcc.target/i386/sse-minps-1.c: Likewise.
* gcc.target/i386/sse-minss-1.c: Likewise.
* gcc.target/i386/sse-movaps-1.c: Likewise.
* gcc.target/i386/sse-movaps-2.c: Likewise.
* gcc.target/i386/sse-movhlps-1.c: Likewise.
* gcc.target/i386/sse-movhps-1.c: Likewise.
* gcc.target/i386/sse-movhps-2.c: Likewise.
* gcc.target/i386/sse-movlhps-1.c: Likewise.
* gcc.target/i386/sse-movmskps-1.c: Likewise.
* gcc.target/i386/sse-movntps-1.c: Likewise.
* gcc.target/i386/sse-movss-1.c: Likewise.
* gcc.target/i386/sse-movss-2.c: Likewise.
* gcc.target/i386/sse-movss-3.c: Likewise.
* gcc.target/i386/sse-movups-1.c: Likewise.
* gcc.target/i386/sse-movups-2.c: Likewise.
* gcc.target/i386/sse-mulps-1.c: Likewise.
* gcc.target/i386/sse-mulss-1.c: Likewise.
* gcc.target/i386/sse-orps-1.c: Likewise.
* gcc.target/i386/sse-rcpps-1.c: Likewise.
* gcc.target/i386/sse-recip-vec.c: Likewise.
* gcc.target/i386/sse-recip.c: Likewise.
* gcc.target/i386/sse-rsqrtps-1.c: Likewise.
* gcc.target/i386/sse-set-ps-1.c: Likewise.
* gcc.target/i386/sse-sqrtps-1.c: Likewise.
* gcc.target/i386/sse-subps-1.c: Likewise.
* gcc.target/i386/sse-subss-1.c: Likewise.
* gcc.target/i386/sse-ucomiss-1.c: Likewise.
* gcc.target/i386/sse-ucomiss-2.c: Likewise.
* gcc.target/i386/sse-ucomiss-3.c: Likewise.
* gcc.target/i386/sse-ucomiss-4.c: Likewise.
* gcc.target/i386/sse-ucomiss-5.c: Likewise.
* gcc.target/i386/sse-ucomiss-6.c: Likewise.
* gcc.target/i386/sse-unpckhps-1.c: Likewise.
* gcc.target/i386/sse-unpcklps-1.c: Likewise.
* gcc.target/i386/sse-xorps-1.c: Likewise.
* gcc.target/i386/ssefn-1.c: Likewise.
* gcc.target/i386/ssefn-3.c: Likewise.
* gcc.target/i386/sseregparm-1.c: Likewise.
* gcc.target/i386/stackalign/return-3.c: Likewise.
* gcc.target/i386/vectorize1.c: Likewise.
* gcc.target/i386/vperm-v4sf-1.c: Likewise.
* gcc.target/i386/xorps-sse.c: Likewise.
* gfortran.dg/pr28158.f90: Likewise.
* gfortran.dg/pr30667.f: Likewise.
* gnat.dg/loop_optimization7.adb: Likewise.
* gnat.dg/sse_nolib.adb: Likewise.
libgfortran:
* config/fpu-387.h [__sun__ && __svr4__] Include <signal.h>,
<ucontext.h>.
(sigill_caught): New.
(sigill_hdlr): New function
(has_sse) [__sun__ && __svr4__]: Check if SSE instruction causes
SIGILL.
From-SVN: r162073
+2010-07-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
+ pentiumpro on Solaris 8 and 9/x86.
+ * doc/install.texi (Specific, i?86-*-solaris2.[89]): Recommend GNU as.
+ Document SSE/SSE2 support.
+ * doc/sourcebuild.texi (Effective-Target Keywords): Document sse.
+
2010-07-12 Andi Kleen <ak@linux.intel.com>
* lto-symtab.c (lto_symtab_merge_decls_1): Use fatal_error
# Set default arch_32 to pentium4, tune_32 to generic like the other
# i386 targets, although config.guess defaults to i386-pc-solaris2*.
case ${target} in
- *-*-solaris2.8*)
- if test x$gas = xyes; then
- with_arch_32=${with_arch_32:-pentium4}
- else
- # Solaris 8/x86 as cannot handle sse2.
- with_arch_32=${with_arch_32:-pentiumpro}
- fi
+ *-*-solaris2.[89]*)
+ # Solaris 8 and 9/x86 cannot execute SSE/SSE2 instructions by
+ # default.
+ with_arch_32=${with_arch_32:-pentiumpro}
;;
*)
with_arch_32=${with_arch_32:-pentium4}
@item
@uref{#ix86-x-linux,,i?86-*-linux*}
@item
+@uref{#ix86-x-solaris289,,i?86-*-solaris2.[89]}
+@item
@uref{#ix86-x-solaris210,,i?86-*-solaris2.10}
@item
@uref{#ia64-x-linux,,ia64-*-linux}
@html
<hr />
@end html
+@heading @anchor{ix86-x-solaris289}i?86-*-solaris2.[89]
+The Sun assembler in Solaris 8 and 9 has several bugs and limitations.
+While GCC works around them, several features are missing, so it is
+@c FIXME: which ones?
+recommended to use the GNU assembler instead. There is no bundled
+version, but the current version, from GNU binutils 2.20.1, is known to
+work.
+
+Solaris~2/x86 doesn't support the execution of SSE/SSE2 instructions
+before Solaris~9 4/04, even if the CPU supports them. Programs will
+receive @code{SIGILL} if they try. The fix is available both in
+Solaris~9 Update~6 and kernel patch 112234-12 or newer. There is no
+corresponding patch for Solaris 8. To avoid this problem,
+@option{-march} defaults to @samp{pentiumpro} on Solaris 8 and 9. If
+you have the patch installed, you can configure GCC with an appropriate
+@option{--with-arch} option, but need GNU @command{as} for SSE2 support.
+
+@html
+<hr />
+@end html
@heading @anchor{ix86-x-solaris210}i?86-*-solaris2.10
Use this for Solaris 10 or later on x86 and x86-64 systems. This
configuration is supported by GCC 4.0 and later versions only. Unlike
@item hard_float
Target supports FPU instructions.
+@item sse
+Target supports compiling @code{sse} instructions.
+
@item sse2
Target supports compiling @code{sse2} instructions.
+2010-07-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * lib/target-supports.exp (check_effective_target_sse): New proc.
+ * gcc.target/i386/sol2-check.h: New file.
+ * gcc.target/i386/sse-check.h (ILL_INSN, ILL_INSN_LEN): Define.
+ Include sol2-check.h.
+ (main) Only run do_test () if sol2_check ().
+ * gcc.target/i386/sse2-check.h: Likewise.
+ * gcc.target/i386/sse3-check.h: Likewise.
+ * gcc.dg/vect/tree-vect.h (check_vect) [__i386__ || __x86_64__]
+ [__sun__ && __svr4__]: Execute SSE2 instruction.
+ * gcc.target/i386/math-torture/math-torture.exp: Only add options
+ with -msse to MATH_TORTURE_OPTIONS if check_effective_target_sse.
+ * g++.dg/debug/dwarf2/const2b.C: Use dg-require-effective-target sse.
+ * g++.dg/ext/vector14.C: Likewise.
+ * g++.dg/other/mmintrin.C: Likewise.
+ * gcc.dg/20020418-1.c: Likewise.
+ * gcc.dg/debug/dwarf2/const-2b.c: Likewise.
+ * gcc.dg/format/ms_unnamed-1.c: Likewise.
+ * gcc.dg/format/unnamed-1.c: Likewise.
+ Adapt dg-warning line number.
+ * gcc.dg/graphite/pr40281.c: Likewise.
+ * gcc.dg/pr32176.c: Likewise.
+ * gcc.dg/pr40550.c: Likewise.
+ * gcc.dg/prefetch-loop-arrays-1.c: Likewise.
+ * gcc.dg/torture/pr36891.c: Likewise.
+ * gcc.target/i386/20020218-1.c: Likewise.
+ * gcc.target/i386/20020523.c: Likewise.
+ * gcc.target/i386/abi-1.c: Likewise.
+ * gcc.target/i386/brokensqrt.c: Likewise.
+ * gcc.target/i386/fastcall-sseregparm.c: Likewise.
+ * gcc.target/i386/pr13366.c: Likewise.
+ * gcc.target/i386/pr13685.c: Likewise.
+ * gcc.target/i386/pr24306.c: Likewise.
+ * gcc.target/i386/pr31486.c: Likewise.
+ * gcc.target/i386/pr32065-1.c: Likewise.
+ * gcc.target/i386/pr32065-2.c: Likewise.
+ * gcc.target/i386/pr32389.c: Likewise.
+ * gcc.target/i386/pr38824.c: Likewise.
+ * gcc.target/i386/pr38931.c: Likewise.
+ * gcc.target/i386/pr39592-1.c: Likewise.
+ * gcc.target/i386/pr43766.c: Likewise.
+ * gcc.target/i386/recip-divf.c: Likewise.
+ * gcc.target/i386/recip-sqrtf.c: Likewise.
+ * gcc.target/i386/recip-vec-divf.c: Likewise.
+ * gcc.target/i386/recip-vec-sqrtf.c: Likewise.
+ * gcc.target/i386/sse-1.c: Likewise.
+ * gcc.target/i386/sse-16.c: Likewise.
+ * gcc.target/i386/sse-2.c: Likewise.
+ * gcc.target/i386/sse-20.c: Likewise.
+ * gcc.target/i386/sse-3.c: Likewise.
+ * gcc.target/i386/sse-7.c: Likewise.
+ * gcc.target/i386/sse-9.c: Likewise.
+ * gcc.target/i386/sse-addps-1.c: Likewise.
+ * gcc.target/i386/sse-addss-1.c: Likewise.
+ * gcc.target/i386/sse-andnps-1.c: Likewise.
+ * gcc.target/i386/sse-andps-1.c: Likewise.
+ * gcc.target/i386/sse-cmpss-1.c: Likewise.
+ * gcc.target/i386/sse-comiss-1.c: Likewise.
+ * gcc.target/i386/sse-comiss-2.c: Likewise.
+ * gcc.target/i386/sse-comiss-3.c: Likewise.
+ * gcc.target/i386/sse-comiss-4.c: Likewise.
+ * gcc.target/i386/sse-comiss-5.c: Likewise.
+ * gcc.target/i386/sse-comiss-6.c: Likewise.
+ * gcc.target/i386/sse-copysignf-vec.c: Likewise.
+ * gcc.target/i386/sse-cvtsi2ss-1.c: Likewise.
+ * gcc.target/i386/sse-cvtsi2ss-2.c: Likewise.
+ * gcc.target/i386/sse-cvtss2si-1.c: Likewise.
+ * gcc.target/i386/sse-cvtss2si-2.c: Likewise.
+ * gcc.target/i386/sse-cvttss2si-1.c: Likewise.
+ * gcc.target/i386/sse-cvttss2si-2.c: Likewise.
+ * gcc.target/i386/sse-divps-1.c: Likewise.
+ * gcc.target/i386/sse-divss-1.c: Likewise.
+ * gcc.target/i386/sse-init-v4hi-1.c: Likewise.
+ * gcc.target/i386/sse-init-v4sf-1.c: Likewise.
+ * gcc.target/i386/sse-maxps-1.c: Likewise.
+ * gcc.target/i386/sse-maxss-1.c: Likewise.
+ * gcc.target/i386/sse-minps-1.c: Likewise.
+ * gcc.target/i386/sse-minss-1.c: Likewise.
+ * gcc.target/i386/sse-movaps-1.c: Likewise.
+ * gcc.target/i386/sse-movaps-2.c: Likewise.
+ * gcc.target/i386/sse-movhlps-1.c: Likewise.
+ * gcc.target/i386/sse-movhps-1.c: Likewise.
+ * gcc.target/i386/sse-movhps-2.c: Likewise.
+ * gcc.target/i386/sse-movlhps-1.c: Likewise.
+ * gcc.target/i386/sse-movmskps-1.c: Likewise.
+ * gcc.target/i386/sse-movntps-1.c: Likewise.
+ * gcc.target/i386/sse-movss-1.c: Likewise.
+ * gcc.target/i386/sse-movss-2.c: Likewise.
+ * gcc.target/i386/sse-movss-3.c: Likewise.
+ * gcc.target/i386/sse-movups-1.c: Likewise.
+ * gcc.target/i386/sse-movups-2.c: Likewise.
+ * gcc.target/i386/sse-mulps-1.c: Likewise.
+ * gcc.target/i386/sse-mulss-1.c: Likewise.
+ * gcc.target/i386/sse-orps-1.c: Likewise.
+ * gcc.target/i386/sse-rcpps-1.c: Likewise.
+ * gcc.target/i386/sse-recip-vec.c: Likewise.
+ * gcc.target/i386/sse-recip.c: Likewise.
+ * gcc.target/i386/sse-rsqrtps-1.c: Likewise.
+ * gcc.target/i386/sse-set-ps-1.c: Likewise.
+ * gcc.target/i386/sse-sqrtps-1.c: Likewise.
+ * gcc.target/i386/sse-subps-1.c: Likewise.
+ * gcc.target/i386/sse-subss-1.c: Likewise.
+ * gcc.target/i386/sse-ucomiss-1.c: Likewise.
+ * gcc.target/i386/sse-ucomiss-2.c: Likewise.
+ * gcc.target/i386/sse-ucomiss-3.c: Likewise.
+ * gcc.target/i386/sse-ucomiss-4.c: Likewise.
+ * gcc.target/i386/sse-ucomiss-5.c: Likewise.
+ * gcc.target/i386/sse-ucomiss-6.c: Likewise.
+ * gcc.target/i386/sse-unpckhps-1.c: Likewise.
+ * gcc.target/i386/sse-unpcklps-1.c: Likewise.
+ * gcc.target/i386/sse-xorps-1.c: Likewise.
+ * gcc.target/i386/ssefn-1.c: Likewise.
+ * gcc.target/i386/ssefn-3.c: Likewise.
+ * gcc.target/i386/sseregparm-1.c: Likewise.
+ * gcc.target/i386/stackalign/return-3.c: Likewise.
+ * gcc.target/i386/vectorize1.c: Likewise.
+ * gcc.target/i386/vperm-v4sf-1.c: Likewise.
+ * gcc.target/i386/xorps-sse.c: Likewise.
+ * gfortran.dg/pr28158.f90: Likewise.
+ * gfortran.dg/pr30667.f: Likewise.
+ * gnat.dg/loop_optimization7.adb: Likewise.
+ * gnat.dg/sse_nolib.adb: Likewise.
+
2010-07-11 Tobias Burnus <burnus@net-b.de>
PR fortran/44702
/* { dg-do compile { target i386*-*-* } } */
/* { dg-options "-O -gdwarf-2 -dA -msse" } */
+/* { dg-require-effective-target sse } */
/* { dg-final { scan-assembler "DW_AT_const_value" } } */
typedef float FloatVect __attribute__((__vector_size__(16)));
// PR c++/35758
// { dg-do compile }
-// { dg-options "-msse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+// { dg-options "-msse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } }
+// { dg-require-effective-target sse }
// Ignore warning on some powerpc-linux configurations.
// { dg-prune-output "non-standard ABI extension" }
// { dg-prune-output "mangled name" }
// { dg-do compile { target i?86-*-* x86_64-*-* } }
// { dg-options "-msse" }
+// { dg-require-effective-target sse }
#include <xmmintrin.h>
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-options "-O2 -msse -ffast-math" { target i?86-*-* x86_64-*-* } } */
+/* { dg-require-effective-target sse { target i?86-*-* x86_64-*-* } } */
void bar (float *a, float *b);
/* { dg-do compile { target i386*-*-* } } */
/* { dg-options "-O -gdwarf-2 -dA -msse" } */
+/* { dg-require-effective-target sse } */
/* { dg-final { scan-assembler "DW_AT_const_value" } } */
typedef float FloatVect __attribute__((__vector_size__(16)));
/* { dg-do compile { target { *-*-mingw* } } } */
/* { dg-options "-Wformat" } */
/* { dg-options "-Wformat -msse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-require-effective-target sse { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
#define USE_SYSTEM_FORMATS
#include "format.h"
/* { dg-do compile } */
/* { dg-options "-Wformat" } */
/* { dg-options "-Wformat -msse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-require-effective-target sse { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
#include "format.h"
{
printf("%d", x); /* { dg-warning "expects type" } */
printf("%d", 141592653589793238462643383279502884197169399375105820974944); /* { dg-warning "expects type" } */
- /* { dg-warning "unsigned only|too large" "constant" { target *-*-* } 22 } */
+ /* { dg-warning "unsigned only|too large" "constant" { target *-*-* } 23 } */
}
/* { dg-do compile } */
/* { dg-options "-O -fprefetch-loop-arrays -w" } */
/* { dg-options "-O -fprefetch-loop-arrays -march=i686 -msse -w" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-require-effective-target sse { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
void foo(int);
void bar(int n)
/* { dg-do compile } */
/* { dg-options "-O2 -fprefetch-loop-arrays -w" } */
/* { dg-options "-O2 -fprefetch-loop-arrays -march=i686 -msse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-require-effective-target sse { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
void foo (void)
{
/* { dg-do run } */
/* { dg-options "-msse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-require-effective-target sse { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
#ifdef __i386__
#include "cpuid.h"
/* { dg-do compile } */
/* { dg-options "-O2 -fprefetch-loop-arrays -w" } */
/* { dg-options "-O2 -fprefetch-loop-arrays -march=i686 -msse -w" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-require-effective-target sse { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
__extension__ typedef __SIZE_TYPE__ size_t;
/* { dg-do compile } */
/* { dg-options "-ffast-math" } */
/* { dg-options "-ffast-math -msse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-require-effective-target sse { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
#define __vector __attribute__((vector_size(16) ))
__vector float f(void);
want_level = 1, want_c = bit_SSSE3, want_d = 0;
# else
want_level = 1, want_c = 0, want_d = bit_SSE2;
+# if defined(__sun__) && defined(__svr4__)
+ /* Before Solaris 9 4/04, trying to execute an SSE2 instruction gives
+ SIGILL even if the CPU can handle them. */
+ asm volatile ("unpcklpd %xmm0,%xmm2");
+# endif
# endif
if (!__get_cpuid (want_level, &a, &b, &c, &d)
/* Verify that X86-64 only SSE registers aren't restored on IA-32. */
/* { dg-do compile } */
/* { dg-require-effective-target ilp32 } */
+/* { dg-require-effective-target sse } */
/* { dg-options "-O2 -msse" } */
/* { dg-final { scan-assembler-not "xmm8" } } */
/* { dg-do run } */
/* { dg-options "-O2 -msse -mfpmath=sse -ffast-math" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* Make certain that we pass V2DF in the correct register for SSE1. */
/* { dg-do compile } */
/* { dg-options "-O1 -msse -mno-sse2" } */
+/* { dg-require-effective-target sse } */
typedef double v2df __attribute__((vector_size (16)));
v2df foo (void) { return (v2df){ 1.0, 2.0 }; }
/* { dg-do run } */
/* { dg-options "-O2 -ffast-math -msse -mfpmath=sse -mrecip" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
extern float sqrtf (float);
/* { dg-do run } */
/* { dg-options "-mpreferred-stack-boundary=4 -msse" } */
/* { dg-require-effective-target ilp32 } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
set MATH_TORTURE_OPTIONS [list \
{ -O0 } \
{ -O0 -mfpmath=387 } \
+ { -O0 -mfpmath=387 -ffast-math } \
+ { -O2 } \
+ { -O2 -mfpmath=387 } \
+ { -O2 -mfpmath=387 -ffast-math } \
+]
+
+if { [check_effective_target_sse] } {
+ lappend MATH_TORTURE_OPTIONS \
{ -O0 -msse -mno-sse2 -mfpmath=sse } \
{ -O0 -msse -mno-sse2 -mfpmath=sse,387 } \
- { -O0 -mfpmath=387 -ffast-math } \
{ -O0 -msse -mno-sse2 -mfpmath=sse -ffast-math } \
{ -O0 -msse -mno-sse2 -mfpmath=sse,387 -ffast-math } \
- { -O2 } \
- { -O2 -mfpmath=387 } \
{ -O2 -msse -mno-sse2 -mfpmath=sse } \
{ -O2 -msse -mno-sse2 -mfpmath=sse,387 } \
- { -O2 -mfpmath=387 -ffast-math } \
{ -O2 -msse -mno-sse2 -mfpmath=sse -ffast-math } \
{ -O2 -msse -mno-sse2 -mfpmath=sse,387 -ffast-math } \
-]
+}
if { [check_effective_target_sse2] } {
lappend MATH_TORTURE_OPTIONS \
/* { dg-do compile } */
/* { dg-options "-O -msse" } */
+/* { dg-require-effective-target sse } */
#include <xmmintrin.h>
/* PR target/13685 */
/* { dg-do run } */
/* { dg-options "-Os -msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do compile } */
/* { dg-options "-msse -mno-sse2" } */
+/* { dg-require-effective-target sse } */
typedef double __v2df __attribute__ ((vector_size (16)));
/* { dg-do compile } */
/* { dg-require-effective-target dfp } */
+/* { dg-require-effective-target sse } */
/* { dg-options "-msse -std=gnu99" } */
_Decimal128 test (void)
/* { dg-do run } */
/* { dg-require-effective-target dfp } */
+/* { dg-require-effective-target sse } */
/* { dg-options "-Os -msse -std=gnu99" } */
#include "sse-check.h"
/* { dg-do compile } */
/* { dg-require-effective-target ilp32 } */
+/* { dg-require-effective-target sse } */
/* { dg-options "-msse" } */
double f1();
/* { dg-do compile } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
typedef float v4sf __attribute__ ((__vector_size__ (16)));
/* { dg-do compile } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
typedef int __m64 __attribute__ ((__vector_size__ (8)));
39592. */
/* { dg-do compile } */
/* { dg-options "-ansi -msse" } */
+/* { dg-require-effective-target sse } */
double
foo (unsigned long var)
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-options "-O2 -msse -mregparm=3" { target ilp32 } } */
+/* { dg-require-effective-target sse } */
void p (int *a, int i)
{
/* { dg-do compile } */
/* { dg-options "-O2 -ffast-math -msse -mfpmath=sse -mrecip" } */
+/* { dg-require-effective-target sse } */
float t1(float a, float b)
{
/* { dg-do compile } */
/* { dg-options "-O2 -ffast-math -msse -mfpmath=sse -mrecip" } */
+/* { dg-require-effective-target sse } */
extern float sqrtf (float);
/* { dg-do compile } */
/* { dg-options "-O2 -ffast-math -ftree-vectorize -msse -mfpmath=sse -mrecip" } */
+/* { dg-require-effective-target sse } */
float a[16];
float b[16];
/* { dg-do compile } */
/* { dg-options "-O2 -ffast-math -ftree-vectorize -msse -mfpmath=sse -mrecip" } */
+/* { dg-require-effective-target sse } */
float a[16];
float b[16];
--- /dev/null
+#if defined(__sun__) && defined(__svr4__)
+/* Make sure sigaction() is declared even with -std=c99. */
+#define __EXTENSIONS__
+#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. */
+ ucp->uc_mcontext.gregs[EIP] += ILL_INSN_LEN;
+ setcontext (ucp);
+}
+#endif
+
+/* Solaris 2 before Solaris 9 4/04 cannot execute SSE/SSE2 instructions
+ even if the CPU supports them. Programs receive SIGILL instead, so
+ check for that at runtime. */
+static int
+sol2_check (void)
+{
+#if defined(__sun__) && defined(__svr4__)
+ struct sigaction act, oact;
+
+ act.sa_handler = sigill_hdlr;
+ sigemptyset (&act.sa_mask);
+ /* Need to set SA_SIGINFO so a ucontext_t * is passed to the handler. */
+ act.sa_flags = SA_SIGINFO;
+ sigaction (SIGILL, &act, &oact);
+
+ ILL_INSN;
+
+ sigaction (SIGILL, &oact, NULL);
+
+ if (sigill_caught)
+ exit (0);
+ else
+ return 1;
+#else
+ return 1;
+#endif /* __sun__ && __svr4__ */
+}
/* PR 12902 */
/* { dg-do compile } */
/* { dg-options "-O1 -msse" } */
+/* { dg-require-effective-target sse } */
#include <xmmintrin.h>
/* { dg-do compile } */
/* { dg-options "-O0 -msse" } */
+/* { dg-require-effective-target sse } */
typedef float __vr __attribute__ ((vector_size (16)));
/* { dg-do compile } */
/* { dg-options "-O3 -msse" } */
+/* { dg-require-effective-target sse } */
#include <xmmintrin.h>
static const __m128 v_sign = {-.0f, -.0f, -.0f, -.0f};
static const __m128 v_half = {0.5f, 0.5f, 0.5f, 0.5f};
/* PR target/13685 */
/* { dg-options "-Os -msse" } */
+/* { dg-require-effective-target sse } */
typedef float __m128 __attribute__ ((vector_size (16)));
typedef int __m64 __attribute__ ((vector_size (8)));
/* PR target/21149 */
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
-#include <stdio.h>
#include <stdlib.h>
#include "m128-check.h"
#include "cpuid.h"
+/* We need a single SSE instruction here so the handler can safely skip
+ over it. */
+#define ILL_INSN __asm__ volatile ("movss %xmm2,%xmm1")
+#define ILL_INSN_LEN 4
+#include "sol2-check.h"
+
static void sse_test (void);
static void
return 0;
/* Run SSE test only if host has SSE support. */
- if (edx & bit_SSE)
+ if ((edx & bit_SSE) && sol2_check ())
do_test ();
return 0;
/* { dg-do run } */
/* { dg-options "-O2 -msse -std=c99" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -ftree-vectorize -msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-require-effective-target lp64 } */
+/* { dg-require-effective-target sse } */
/* { dg-options "-O2 -msse" } */
#ifndef CHECK_H
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-require-effective-target lp64 } */
+/* { dg-require-effective-target sse } */
/* { dg-options "-O2 -msse" } */
#ifndef CHECK_H
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-require-effective-target lp64 } */
+/* { dg-require-effective-target sse } */
/* { dg-options "-O2 -msse" } */
#ifndef CHECK_H
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -ffast-math -ftree-vectorize -msse -mfpmath=sse -mrecip" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -ffast-math -msse -mfpmath=sse -mrecip" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
/* { dg-do run } */
/* { dg-options "-O2 -msse" } */
+/* { dg-require-effective-target sse } */
#ifndef CHECK_H
#define CHECK_H "sse-check.h"
#include "cpuid.h"
#include "m128-check.h"
+/* We need a single SSE2 instruction here so the handler can safely skip
+ over it. */
+#define ILL_INSN __asm__ volatile ("unpcklpd %xmm0,%xmm2")
+#define ILL_INSN_LEN 4
+#include "sol2-check.h"
+
static void sse2_test (void);
static void
return 0;
/* Run SSE2 test only if host has SSE2 support. */
- if (edx & bit_SSE2)
+ if ((edx & bit_SSE2) && sol2_check ())
do_test ();
return 0;
#include "cpuid.h"
+/* We need a single SSE3 instruction here so the handler can safely skip
+ over it. */
+#define ILL_INSN __asm__ volatile ("movddup %xmm1,%xmm2")
+#define ILL_INSN_LEN 4
+#include "sol2-check.h"
+
static void sse3_test (void);
static void
return 0;
/* Run SSE3 test only if host has SSE3 support. */
- if (ecx & bit_SSE3)
+ if ((ecx & bit_SSE3) && sol2_check ())
do_test ();
return 0;
/* { dg-do compile } */
/* { dg-require-effective-target ilp32 } */
+/* { dg-require-effective-target sse } */
/* { dg-final { scan-assembler "movss" } } */
/* { dg-final { scan-assembler "mulss" } } */
/* { dg-final { scan-assembler-not "movsd" } } */
/* { dg-do run } */
/* { dg-options "-O2 -msse -mfpmath=sse" } */
+/* { dg-require-effective-target sse } */
#include "sse-check.h"
/* { dg-do compile } */
/* { dg-options "-O2 -msse" } */
/* { dg-require-effective-target ilp32 } */
+/* { dg-require-effective-target sse } */
float essef(float) __attribute__((sseregparm));
double essed(double) __attribute__((sseregparm));
/* { dg-do compile } */
/* { dg-skip-if "" { ! { ilp32 && dfp } } { "*" } { "" } } */
/* { dg-options "-msse -std=gnu99 -mpreferred-stack-boundary=2" } */
+/* { dg-require-effective-target sse } */
/* This compile only test is to detect an assertion failure in stack branch
development. */
/* PR middle-end/28915 */
/* { dg-options "-msse -O2 -ftree-vectorize -fdump-tree-vect" } */
+/* { dg-require-effective-target sse } */
extern char lanip[3][40];
typedef struct
/* Test that we generate xorps instruction when pxor is not available. */
/* { dg-do compile } */
/* { dg-options "-O -msse -mno-sse2" } */
+/* { dg-require-effective-target sse } */
/* { dg-final { scan-assembler "xorps\[ \t\]" } } */
#define vector __attribute__ ((vector_size (16)))
! { dg-do compile { target i?86-*-* x86_64-*-* } }
! { dg-require-effective-target ilp32 }
! { dg-options "-O -msse -mfpmath=sse" }
+! { dg-require-effective-target sse }
subroutine yhalf(z)
complex cdexpj,z
z=cdexpj((0.d0,1.d0)*z)
! { dg-do compile { target i?86-*-* x86_64-*-* } }
! { dg-require-effective-target ilp32 }
! { dg-options "-O2 -msse -ftree-vectorize" }
+! { dg-require-effective-target sse }
subroutine cblank_cvb(a,ndim)
character*(*) a
character*1 blank
-- { dg-do compile }
-- { dg-options "-O3" }
-- { dg-options "-O3 -msse" { target i?86-*-* x86_64-*-* } }
+-- { dg-require-effective-target sse }
package body Loop_Optimization7 is
-- { dg-do run { target i?86-*-* x86_64-*-* } }
-- { dg-options "-O1 -msse" }
+-- { dg-require-effective-target sse }
with Ada.Unchecked_Conversion;
} "-O2 -mavx" ]
}
+# Return 1 if sse instructions can be compiled.
+proc check_effective_target_sse { } {
+ return [check_no_compiler_messages sse object {
+ int main ()
+ {
+ __builtin_ia32_stmxcsr ();
+ return 0;
+ }
+ } "-O2 -msse" ]
+}
+
# Return 1 if sse2 instructions can be compiled.
proc check_effective_target_sse2 { } {
return [check_no_compiler_messages sse2 object {
+2010-07-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/fpu-387.h [__sun__ && __svr4__] Include <signal.h>,
+ <ucontext.h>.
+ (sigill_caught): New.
+ (sigill_hdlr): New function
+ (has_sse) [__sun__ && __svr4__]: Check if SSE instruction causes
+ SIGILL.
+
2010-07-11 Kai Tietz <kai.tietz@onevision.com>
PR libfortran/44698
/* FPU-related code for x86 and x86_64 processors.
- Copyright 2005, 2007, 2009 Free Software Foundation, Inc.
+ Copyright 2005, 2007, 2009, 2010 Free Software Foundation, Inc.
Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr>
This file is part of the GNU Fortran 95 runtime library (libgfortran).
#include "cpuid.h"
#endif
+#if 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. 4 is the size of the stmxcsr
+ instruction. */
+ ucp->uc_mcontext.gregs[EIP] += 4;
+ setcontext (ucp);
+}
+#endif
+
static int
has_sse (void)
{
if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
return 0;
+#if defined(__sun__) && defined(__svr4__)
+ /* Solaris 2 before Solaris 9 4/04 cannot execute SSE instructions even
+ if the CPU supports them. Programs receive SIGILL instead, so check
+ for that at runtime. */
+
+ if (edx & bit_SSE)
+ {
+ struct sigaction act, oact;
+ unsigned int cw_sse;
+
+ act.sa_handler = sigill_hdlr;
+ sigemptyset (&act.sa_mask);
+ /* Need to set SA_SIGINFO so a ucontext_t * is passed to the handler. */
+ act.sa_flags = SA_SIGINFO;
+ sigaction (SIGILL, &act, &oact);
+
+ asm volatile ("stmxcsr %0" : "=m" (cw_sse));
+
+ sigaction (SIGILL, &oact, NULL);
+
+ if (sigill_caught)
+ return 0;
+ }
+#endif /* __sun__ && __svr4__ */
+
return edx & bit_SSE;
#else
return 1;