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suppress sh assembler rejection of instructions based on isa level 

we need access to all instructions in order for runtime selection of
atomic model to work correctly. without this patch, some versions of
gcc instruct gas to reject instructions outside the target isa level.
This commit is contained in:
Rich Felker 2015-10-15 17:21:07 -04:00
parent 92637bb0d8
commit 797899802d
1 changed files with 1 additions and 0 deletions
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configure vendored
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@ -556,6 +556,7 @@ test "$ARCH" = "microblaze" && trycppif __MICROBLAZEEL__ "$t" \
&& SUBARCH=${SUBARCH}el && SUBARCH=${SUBARCH}el
if test "$ARCH" = "sh" ; then if test "$ARCH" = "sh" ; then
tryflag CFLAGS_AUTO -Wa,--isa=any
trycppif __BIG_ENDIAN__ "$t" && SUBARCH=${SUBARCH}eb trycppif __BIG_ENDIAN__ "$t" && SUBARCH=${SUBARCH}eb
if trycppif "__SH_FPU_ANY__ || __SH4__" "$t" ; then if trycppif "__SH_FPU_ANY__ || __SH4__" "$t" ; then
# Some sh configurations are broken and replace double with float # Some sh configurations are broken and replace double with float