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To test extended BFP opcodes we need sizeof(long double) == 16.

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Certain old versions of GCC don't have that as default. So we must
give -mlong-double-128 on the command line.
Pertains to BZ #352183.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15623
This commit is contained in:
Florian Krohm 2015-09-04 20:52:20 +00:00
parent cc9d412d2d
commit 38aa18c184
4 changed files with 27 additions and 4 deletions
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19
configure.ac
View File

@ -1847,6 +1847,25 @@ CFLAGS=$safe_CFLAGS
AC_SUBST(PREFERRED_STACK_BOUNDARY_2)
# does this compiler support -mlong-double-128 ?
AC_MSG_CHECKING([if gcc accepts -mlong-double-128])
safe_CFLAGS=$CFLAGS
CFLAGS="-mlong-double-128 -Werror"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
return 0;
]])], [
ac_compiler_supports_mlong_double_128=yes
AC_MSG_RESULT([yes])
], [
ac_compiler_supports_mlong_double_128=no
AC_MSG_RESULT([no])
])
CFLAGS=$safe_CFLAGS
AM_CONDITIONAL(HAS_MLONG_DOUBLE_128, test x$ac_compiler_supports_mlong_double_128 = xyes)
FLAG_MLONG_DOUBLE_128="-mlong-double-128"
AC_SUBST(FLAG_MLONG_DOUBLE_128)
# Convenience function to check whether GCC supports a particular
# warning option. Takes two arguments,
# first the warning flag name to check (without -W), then the

8
none/tests/s390x/Makefile.am
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@ -8,7 +8,7 @@ INSN_TESTS = clc clcle cvb cvd icm lpr tcxb lam_stam xc mvst add sub mul \
op_exception fgx stck stckf stcke stfle cksm mvcl clcl troo \
trto trot trtt tr tre cij cgij clij clgij crj cgrj clrj clgrj \
cs csg cds cdsg cu21 cu21_1 cu24 cu24_1 cu42 cu12 cu12_1 \
ex_sig ex_clone cu14 cu14_1 cu41 fpconv ecag fpext fpext_warn \
ex_sig ex_clone cu14 cu14_1 cu41 fpconv ecag fpext_warn \
rounding-1 rounding-2 rounding-3 rounding-4 rounding-5 bfp-1 \
bfp-2 bfp-3 bfp-4 srnm srnmb comp-1 comp-2 exrl tmll tm stmg \
ex clst mvc test_fork test_sig rounding-6 rxsbg\
@ -21,6 +21,9 @@ INSN_TESTS = clc clcle cvb cvd icm lpr tcxb lam_stam xc mvst add sub mul \
if BUILD_DFP_TESTS
INSN_TESTS += dfp-1 dfp-2 dfp-3 dfp-4 dfptest dfpext dfpconv srnmt pfpo
endif
if HAS_MLONG_DOUBLE_128
INSN_TESTS += fpext
endif
check_PROGRAMS = $(INSN_TESTS) \
allexec \
@ -33,6 +36,7 @@ EXTRA_DIST = \
ecag.stdout.exp-z10ec ecag.stdout.exp-z196 ecag.stdout.exp-zec12 \
ecag.stdout.exp-z13 \
op00.stderr.exp1 op00.stderr.exp2 op00.vgtest \
fpext.vgtest fpext.stderr.exp fpext.stdout.exp \
fpext_fail.vgtest fpext_fail.stderr.exp fpext_fail.stdout.exp \
test.h opcodes.h add.h and.h div.h insert.h dfp_utils.h \
mul.h or.h sub.h xor.h table.h svc.h rounding.h \
@ -56,5 +60,5 @@ cu12_1_CFLAGS = $(AM_CFLAGS) -DM3=1
cu14_1_CFLAGS = $(AM_CFLAGS) -DM3=1
cu21_1_CFLAGS = $(AM_CFLAGS) -DM3=1
cu24_1_CFLAGS = $(AM_CFLAGS) -DM3=1
fpext_CFLAGS = $(AM_CFLAGS) @FLAG_MLONG_DOUBLE_128@
ex_clone_LDFLAGS = -lpthread

2
none/tests/s390x/fpext.vgtest
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@ -1,2 +1,2 @@
prog: fpext
prereq: ../../../tests/s390x_features s390x-fpext
prereq: test -e fpext && ../../../tests/s390x_features s390x-fpext

2
none/tests/s390x/fpext_fail.vgtest
View File

@ -1,2 +1,2 @@
prog: fpext
prereq: ../../../tests/s390x_features '!s390x-fpext'
prereq: test -e fpext && ../../../tests/s390x_features '!s390x-fpext'