Richard Biener
a33811b708
assembler (disabled by default with binutils 2.44) when -mmpx is specified. Fixup libmpx assembler configure check. OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gcc7?expand=0&rev=258
41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
diff --git a/gcc/config/i386/gnu-user64.h b/gcc/config/i386/gnu-user64.h
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index 911fbd4651c..c7f65148ec7 100644
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--- a/gcc/config/i386/gnu-user64.h
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+++ b/gcc/config/i386/gnu-user64.h
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@@ -50,7 +50,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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#define ASM_SPEC "%{" SPEC_32 ":--32} \
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%{" SPEC_64 ":--64} \
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%{" SPEC_X32 ":--x32} \
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- %{msse2avx:%{!mavx:-msse2avx}}"
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+ %{msse2avx:%{!mavx:-msse2avx}} \
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+ %{mmpx:-march=+mpx}"
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#define GNU_USER_TARGET_LINK_SPEC \
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"%{" SPEC_64 ":-m " GNU_USER_LINK_EMULATION64 "} \
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diff --git a/libmpx/configure b/libmpx/configure
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index 2fd71ca89f6..90ed6ec2149 100644
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--- a/libmpx/configure
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+++ b/libmpx/configure
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@@ -5135,7 +5135,7 @@ fi
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# Check we may build wrappers library
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echo "test: bndmov %bnd0, %bnd1" > conftest.s
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-if { ac_try='$AS -o conftest.o conftest.s 1>&5'
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+if { ac_try='$AS -march=+mpx -o conftest.o conftest.s 1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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diff --git a/libmpx/configure.ac b/libmpx/configure.ac
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index baa882b16b0..32c5c8f4aa0 100644
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--- a/libmpx/configure.ac
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+++ b/libmpx/configure.ac
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@@ -100,7 +100,7 @@ AC_CHECK_TOOL(RANLIB, ranlib, :)
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# Check we may build wrappers library
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echo "test: bndmov %bnd0, %bnd1" > conftest.s
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-if AC_TRY_COMMAND([$AS -o conftest.o conftest.s 1>&AS_MESSAGE_LOG_FD])
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+if AC_TRY_COMMAND([$AS -march=+mpx -o conftest.o conftest.s 1>&AS_MESSAGE_LOG_FD])
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then
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mpx_as=yes
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else
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