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Use -xbrace_comment=no with recent Solaris/x86 as 

Backport from mainline
	2017-10-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_as_ix86_xbrace_comment): Check if assembler
	supports -xbrace_comment option.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/i386/sol2.h (ASM_XBRACE_COMMENT_SPEC): Define.
	(ASM_CPU_SPEC): Use it.

From-SVN: r254681
This commit is contained in:
Rainer Orth 2017-11-13 12:38:16 +00:00 committed by Rainer Orth
parent 6d4e81840e
commit f512f6f96b
5 changed files with 64 additions and 1 deletions
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12
gcc/ChangeLog
View File

@ -1,3 +1,15 @@
2017-11-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Backport from mainline
2017-10-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (gcc_cv_as_ix86_xbrace_comment): Check if assembler
supports -xbrace_comment option.
* configure: Regenerate.
* config.in: Regenerate.
* config/i386/sol2.h (ASM_XBRACE_COMMENT_SPEC): Define.
(ASM_CPU_SPEC): Use it.
2017-11-09 Segher Boessenkool <segher@kernel.crashing.org>
Backport from mainline

6
gcc/config.in
View File

@ -709,6 +709,12 @@
#endif
/* Define if your assembler supports -xbrace_comment option. */
#ifndef USED_FOR_TARGET
#undef HAVE_AS_XBRACE_COMMENT_OPTION
#endif
/* Define to 1 if you have the `atoq' function. */
#ifndef USED_FOR_TARGET
#undef HAVE_ATOQ

10
gcc/config/i386/sol2.h
View File

@ -65,8 +65,16 @@ along with GCC; see the file COPYING3. If not see
#define ASM_CPU64_DEFAULT_SPEC "-xarch=generic64"
#endif
/* Since Studio 12.6, as needs -xbrace_comment=no so its AVX512 syntax is
fully compatible with gas. */
#ifdef HAVE_AS_XBRACE_COMMENT_OPTION
#define ASM_XBRACE_COMMENT_SPEC "-xbrace_comment=no"
#else
#define ASM_XBRACE_COMMENT_SPEC ""
#endif
#undef ASM_CPU_SPEC
#define ASM_CPU_SPEC "%(asm_cpu_default)"
#define ASM_CPU_SPEC "%(asm_cpu_default) " ASM_XBRACE_COMMENT_SPEC
/* Don't include ASM_PIC_SPEC. While the Solaris 10+ assembler accepts -K PIC,
it gives many warnings:

32
gcc/configure vendored
View File

@ -25449,6 +25449,38 @@ $as_echo "$as_me: WARNING: LTO for $target requires binutils >= 2.20.1, but vers
;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for -xbrace_comment" >&5
$as_echo_n "checking assembler for -xbrace_comment... " >&6; }
if test "${gcc_cv_as_ix86_xbrace_comment+set}" = set; then :
$as_echo_n "(cached) " >&6
else
gcc_cv_as_ix86_xbrace_comment=no
if test x$gcc_cv_as != x; then
$as_echo '.text' > conftest.s
if { ac_try='$gcc_cv_as $gcc_cv_as_flags -xbrace_comment=no -o conftest.o conftest.s >&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then
gcc_cv_as_ix86_xbrace_comment=yes
else
echo "configure: failed program was" >&5
cat conftest.s >&5
fi
rm -f conftest.o conftest.s
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_ix86_xbrace_comment" >&5
$as_echo "$gcc_cv_as_ix86_xbrace_comment" >&6; }
if test $gcc_cv_as_ix86_xbrace_comment = yes; then
$as_echo "#define HAVE_AS_XBRACE_COMMENT_OPTION 1" >>confdefs.h
fi
# Test if the assembler supports the section flag 'e' for specifying
# an excluded section.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .section with e" >&5

5
gcc/configure.ac
View File

@ -4059,6 +4059,11 @@ foo: nop
;;
esac
gcc_GAS_CHECK_FEATURE([-xbrace_comment], gcc_cv_as_ix86_xbrace_comment,,
[-xbrace_comment=no], [.text],,
[AC_DEFINE(HAVE_AS_XBRACE_COMMENT_OPTION, 1,
[Define if your assembler supports -xbrace_comment option.])])
# Test if the assembler supports the section flag 'e' for specifying
# an excluded section.
gcc_GAS_CHECK_FEATURE([.section with e], gcc_cv_as_section_has_e,