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authorMichael Meissner <Michael Meissner meissner@linux.ibm.com>2020-05-05 14:01:48 -0400
committerMichael Meissner <Michael Meissner meissner@linux.ibm.com>2020-05-05 14:03:30 -0400
commitef836167f594c4657404e16e7fd18196348f8582 (patch)
treef3e1892ee75c9fdfe5293a7aa27434f0860e4c03 /libgcc
parent3338afa4a3416f5d9a77c8d888f4a46052af186a (diff)
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Delete changes meant for a private branch.
2020-05-05 Michael Meissner <meissner@linux.ibm.com> * config/rs6000/rs6000-builtin.def: Delete changes meant for a private branch. * config/rs6000/rs6000-c.c: Likewise. * config/rs6000/rs6000-call.c: Likewise. * gcc/config/rs6000/rs6000.c: Likewise. 2020-05-05 Michael Meissner <meissner@linux.ibm.com> * gcc.dg/nextafter-2.c: Delete changes meant for a private branch. * gcc.target/powerpc/pr70117.c: Likewise. 2020-05-05 Michael Meissner <meissner@linux.ibm.com> * config.host: Delete changes meant for a private branch. * config/rs6000/t-float128: Likewise. * configure.ac: Likewise. * configure: Likewise.
Diffstat (limited to 'libgcc')
-rw-r--r--libgcc/ChangeLog7
-rw-r--r--libgcc/config.host3
-rw-r--r--libgcc/config/rs6000/t-float1287
-rwxr-xr-xlibgcc/configure108
-rw-r--r--libgcc/configure.ac46
5 files changed, 9 insertions, 162 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index cc6df8a..49d757f 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,10 @@
+2020-05-05 Michael Meissner <meissner@linux.ibm.com>
+
+ * config.host: Delete changes meant for a private branch.
+ * config/rs6000/t-float128: Likewise.
+ * configure.ac: Likewise.
+ * configure: Likewise.
+
2020-05-05 Martin Liska <mliska@suse.cz>
PR gcov-profile/93623
diff --git a/libgcc/config.host b/libgcc/config.host
index 7b48a3d..1ff4159 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -1220,9 +1220,6 @@ powerpc*-*-linux*)
if test $libgcc_cv_powerpc_float128 = yes; then
tmake_file="${tmake_file} rs6000/t-float128"
- if test $libgcc_cv_powerpc_float128_dec = no; then
- tmake_file="${tmake_file} rs6000/t-float128-decimal"
- fi
fi
if test $libgcc_cv_powerpc_float128_hw = yes; then
diff --git a/libgcc/config/rs6000/t-float128 b/libgcc/config/rs6000/t-float128
index 4d4e80c..d541344 100644
--- a/libgcc/config/rs6000/t-float128
+++ b/libgcc/config/rs6000/t-float128
@@ -69,13 +69,6 @@ $(fp128_ppc_obj) : INTERNAL_CFLAGS += $(FP128_CFLAGS_SW)
$(fp128_obj) : $(fp128_includes)
$(fp128_obj) : $(srcdir)/config/rs6000/quad-float128.h
-
-# If we are switching the default long double type, we need to use
-# -mno-gnu-attribute so that the __ibm128 support functions don't signal a
-# linker error since the default long double is now IEEE 128-bit instead of IBM
-# 128-bit.
-ibm-ldouble$(objext) : INTERNAL_CFLAGS += -mno-gnu-attribute
-
$(fp128_softfp_src) : $(srcdir)/soft-fp/$(subst -sw,,$(subst kf,tf,$@)) $(fp128_dep)
@src="$(srcdir)/soft-fp/$(subst -sw,,$(subst kf,tf,$@))"; \
echo "Create $@"; \
diff --git a/libgcc/configure b/libgcc/configure
index 943086e..26bf757 100755
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -1801,52 +1801,6 @@ $as_echo "$ac_res" >&6; }
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
} # ac_fn_c_check_header_preproc
-
-# ac_fn_c_try_link LINENO
-# -----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_link ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- rm -f conftest.$ac_objext conftest$ac_exeext
- if { { ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
- (eval "$ac_link") 2>conftest.err
- ac_status=$?
- if test -s conftest.err; then
- grep -v '^ *+' conftest.err >conftest.er1
- cat conftest.er1 >&5
- mv -f conftest.er1 conftest.err
- fi
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- test -x conftest$ac_exeext
- }; then :
- ac_retval=0
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_retval=1
-fi
- # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
- # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
- # interfere with the next link command; also delete a directory that is
- # left behind by Apple's compiler. We do this before executing the actions.
- rm -rf conftest.dSYM conftest_ipa8_conftest.oo
- eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
- as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_link
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
@@ -5247,9 +5201,7 @@ case ${host} in
# At present, we cannot turn -mfloat128 on via #pragma GCC target, so just
# check if we have VSX (ISA 2.06) support to build the software libraries, and
# whether the assembler can handle xsaddqp for hardware support. Also check if
-# a new glibc is being used so that __builtin_cpu_supports can be used. Check
-# to see if glibc provides the necessary decimal <-> IEEE 128 function, and
-# arrange to build our own version if they are not provided.
+# a new glibc is being used so that __builtin_cpu_supports can be used.
powerpc*-*-linux*)
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128"
@@ -5306,64 +5258,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_hw" >&5
$as_echo "$libgcc_cv_powerpc_float128_hw" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC convert __float128 to/from _Decimal libraries" >&5
-$as_echo_n "checking for PowerPC convert __float128 to/from _Decimal libraries... " >&6; }
-if ${libgcc_cv_powerpc_float128_dec+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test x$gcc_no_link = xyes; then
- as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
-fi
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
- __attribute__((noinline)) __float128 f128_from_d128 (_Decimal128 d128)
- {
- return (__float128)d128;
- }
- __attribute__((noinline)) __float128 f128_from_d64 (_Decimal128 d64)
- {
- return (__float128)d64;
- }
- __attribute__((noinline)) __float128 f128_from_d32 (_Decimal128 d32)
- {
- return (__float128)d32;
- }
- __attribute__((noinline)) _Decimal128 d128_from_f128 (__float128 f128)
- {
- return (_Decimal128)f128;
- }
- __attribute__((noinline)) _Decimal64 d64_from_f128 (__float128 f128)
- {
- return (_Decimal64)f128;
- }
- __attribute__((noinline)) _Decimal32 d32_from_f128 (__float128 f128)
- {
- return (_Decimal32)f128;
- }
- int main (void)
- {
- __float128 five = 5.0;
- if (f128_from_d128 (5.0dl) != five
- || f128_from_d64 (5.0dd) != five
- || f128_from_d32 (5.0df) != five
- || d128_from_f128 (five) != 5.0dl
- || d64_from_f128 (five) != 5.0dd
- || d32_from_f128 (five) != 5.0df)
- abort ();
- return 0;
- }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- libgcc_cv_powerpc_float128_dec=yes
-else
- libgcc_cv_powerpc_float128_dec=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_dec" >&5
-$as_echo "$libgcc_cv_powerpc_float128_dec" >&6; }
CFLAGS="$saved_CFLAGS"
esac
diff --git a/libgcc/configure.ac b/libgcc/configure.ac
index 4aa03a4..bff6e54 100644
--- a/libgcc/configure.ac
+++ b/libgcc/configure.ac
@@ -424,9 +424,7 @@ case ${host} in
# At present, we cannot turn -mfloat128 on via #pragma GCC target, so just
# check if we have VSX (ISA 2.06) support to build the software libraries, and
# whether the assembler can handle xsaddqp for hardware support. Also check if
-# a new glibc is being used so that __builtin_cpu_supports can be used. Check
-# to see if glibc provides the necessary decimal <-> IEEE 128 function, and
-# arrange to build our own version if they are not provided.
+# a new glibc is being used so that __builtin_cpu_supports can be used.
powerpc*-*-linux*)
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128"
@@ -459,48 +457,6 @@ powerpc*-*-linux*)
__attribute__ ((__ifunc__ ("add_resolver")));])],
[libgcc_cv_powerpc_float128_hw=yes],
[libgcc_cv_powerpc_float128_hw=no])])
- AC_CACHE_CHECK([for PowerPC convert __float128 to/from _Decimal libraries],
- [libgcc_cv_powerpc_float128_dec],
- [AC_LINK_IFELSE(
- [AC_LANG_SOURCE([#include <stdlib.h>
- __attribute__((noinline)) __float128 f128_from_d128 (_Decimal128 d128)
- {
- return (__float128)d128;
- }
- __attribute__((noinline)) __float128 f128_from_d64 (_Decimal128 d64)
- {
- return (__float128)d64;
- }
- __attribute__((noinline)) __float128 f128_from_d32 (_Decimal128 d32)
- {
- return (__float128)d32;
- }
- __attribute__((noinline)) _Decimal128 d128_from_f128 (__float128 f128)
- {
- return (_Decimal128)f128;
- }
- __attribute__((noinline)) _Decimal64 d64_from_f128 (__float128 f128)
- {
- return (_Decimal64)f128;
- }
- __attribute__((noinline)) _Decimal32 d32_from_f128 (__float128 f128)
- {
- return (_Decimal32)f128;
- }
- int main (void)
- {
- __float128 five = 5.0;
- if (f128_from_d128 (5.0dl) != five
- || f128_from_d64 (5.0dd) != five
- || f128_from_d32 (5.0df) != five
- || d128_from_f128 (five) != 5.0dl
- || d64_from_f128 (five) != 5.0dd
- || d32_from_f128 (five) != 5.0df)
- abort ();
- return 0;
- }])],
- [libgcc_cv_powerpc_float128_dec=yes],
- [libgcc_cv_powerpc_float128_dec=no])])
CFLAGS="$saved_CFLAGS"
esac