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S390: Add configure check to detect support for arch13.
Add two configure checks which detect if arch13 is supported by the assembler at all - by explicitely setting the machine - and if it is supported with default settings. ChangeLog: * config.h.in (HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT, HAVE_S390_ARCH13_ASM_SUPPORT): New undefine. * sysdeps/s390/configure.ac: Add checks for arch13 support. * sysdeps/s390/configure: Regenerated.
This commit is contained in:
Stefan Liebler
parent
1a7df49c92
commit
a899a5512f
@ -1,3 +1,10 @@
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2019-03-22 Stefan Liebler <stli@linux.ibm.com>
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* config.h.in (HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT,
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HAVE_S390_ARCH13_ASM_SUPPORT): New undefine.
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* sysdeps/s390/configure.ac: Add checks for arch13 support.
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* sysdeps/s390/configure: Regenerated.
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2019-03-22 Stefan Liebler <stli@linux.ibm.com>
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* sysdeps/s390/dl-procinfo.c (_dl_s390_cap_flags):
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@ -71,6 +71,9 @@
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/* Define if assembler supports z13 zarch instructions as default on S390. */
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#undef HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
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/* Define if assembler supports arch13 zarch instruction as default on S390. */
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#undef HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT
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/* Define if assembler supports vector instructions on S390. */
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#undef HAVE_S390_VX_ASM_SUPPORT
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@ -78,6 +81,9 @@
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on S390. */
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#undef HAVE_S390_VX_GCC_SUPPORT
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/* Define if assembler supports arch13 instructions on S390. */
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#undef HAVE_S390_ARCH13_ASM_SUPPORT
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/* Define if assembler supports Intel MPX. */
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#undef HAVE_MPX_SUPPORT
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71
sysdeps/s390/configure
vendored
71
sysdeps/s390/configure
vendored
@ -112,6 +112,43 @@ then
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 arch13 zarch instruction support" >&5
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$as_echo_n "checking for S390 arch13 zarch instruction support... " >&6; }
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if ${libc_cv_asm_s390_arch13+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.c <<\EOF
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void testinsn (char *buf)
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{
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__asm__ (".machine \"arch13\" \n\t"
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".machinemode \"zarch_nohighgprs\" \n\t"
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"lghi %%r0,16 \n\t"
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"mvcrl 0(%0),32(%0)" : : "a" (buf) : "memory", "r0");
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}
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EOF
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
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-o conftest.o &> /dev/null'
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{ { eval echo "\"\$as_me\":${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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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; } ;
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then
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libc_cv_asm_s390_arch13=yes
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else
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libc_cv_asm_s390_arch13=no
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_arch13" >&5
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$as_echo "$libc_cv_asm_s390_arch13" >&6; }
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if test "$libc_cv_asm_s390_arch13" = yes ;
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then
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$as_echo "#define HAVE_S390_ARCH13_ASM_SUPPORT 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 z10 zarch instruction support as default" >&5
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$as_echo_n "checking for S390 z10 zarch instruction support as default... " >&6; }
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if ${libc_cv_asm_s390_min_z10_zarch+:} false; then :
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@ -225,5 +262,39 @@ then
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 arch13 zarch instruction support as default" >&5
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$as_echo_n "checking for S390 arch13 zarch instruction support as default... " >&6; }
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if ${libc_cv_asm_s390_min_arch13_zarch+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.c <<\EOF
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void testinsn (char *buf)
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{
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__asm__ ("lghi %%r0,16 \n\t"
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"mvcrl 0(%0),32(%0)" : : "a" (buf) : "memory", "r0");
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}
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EOF
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
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-o conftest.o &> /dev/null'
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{ { eval echo "\"\$as_me\":${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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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; } ;
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then
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libc_cv_asm_s390_min_arch13_zarch=yes
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else
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libc_cv_asm_s390_min_arch13_zarch=no
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_arch13_zarch" >&5
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$as_echo "$libc_cv_asm_s390_min_arch13_zarch" >&6; }
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if test "$libc_cv_asm_s390_min_arch13_zarch" = yes ;
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then
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$as_echo "#define HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT 1" >>confdefs.h
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fi
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test -n "$critic_missing" && as_fn_error $? "
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*** $critic_missing" "$LINENO" 5
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@ -80,6 +80,32 @@ then
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AC_DEFINE(HAVE_S390_VX_GCC_SUPPORT)
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fi
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AC_CACHE_CHECK(for S390 arch13 zarch instruction support,
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libc_cv_asm_s390_arch13, [dnl
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cat > conftest.c <<\EOF
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void testinsn (char *buf)
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{
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__asm__ (".machine \"arch13\" \n\t"
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".machinemode \"zarch_nohighgprs\" \n\t"
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"lghi %%r0,16 \n\t"
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"mvcrl 0(%0),32(%0)" : : "a" (buf) : "memory", "r0");
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}
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EOF
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dnl test, if assembler supports S390 arch13 instructions
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if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
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-o conftest.o &> /dev/null]) ;
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then
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libc_cv_asm_s390_arch13=yes
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else
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libc_cv_asm_s390_arch13=no
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fi
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rm -f conftest* ])
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if test "$libc_cv_asm_s390_arch13" = yes ;
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then
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AC_DEFINE(HAVE_S390_ARCH13_ASM_SUPPORT)
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fi
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AC_CACHE_CHECK(for S390 z10 zarch instruction support as default,
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libc_cv_asm_s390_min_z10_zarch, [dnl
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cat > conftest.c <<\EOF
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@ -163,5 +189,28 @@ then
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AC_DEFINE(HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT)
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fi
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AC_CACHE_CHECK(for S390 arch13 zarch instruction support as default,
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libc_cv_asm_s390_min_arch13_zarch, [dnl
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cat > conftest.c <<\EOF
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void testinsn (char *buf)
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{
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__asm__ ("lghi %%r0,16 \n\t"
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"mvcrl 0(%0),32(%0)" : : "a" (buf) : "memory", "r0");
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}
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EOF
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dnl test, if assembler supports S390 arch13 zarch instructions as default
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if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
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-o conftest.o &> /dev/null]) ;
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then
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libc_cv_asm_s390_min_arch13_zarch=yes
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else
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libc_cv_asm_s390_min_arch13_zarch=no
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fi
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rm -f conftest* ])
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if test "$libc_cv_asm_s390_min_arch13_zarch" = yes ;
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then
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AC_DEFINE(HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT)
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fi
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test -n "$critic_missing" && AC_MSG_ERROR([
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*** $critic_missing])
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