diff options
| -rwxr-xr-x | configure | 21 |
1 files changed, 17 insertions, 4 deletions
@@ -405,8 +405,16 @@ case "$host" in # On Sparc V9 with certain versions of gcc, determination of double # alignment is not reliable (PR#1521), hence force it. # Same goes for hppa. - echo "Doubles must be doubleword-aligned." - echo "#define ARCH_ALIGN_DOUBLE" >> m.h;; + # But there's a knack (PR#2572): + # if we're in 64-bit mode (sizeof(long) == 8), + # we must not doubleword-align floats... + if test $2 = 8; then + echo "Doubles can be word-aligned." + echo "#undef ARCH_ALIGN_DOUBLE" >> m.h + else + echo "Doubles must be doubleword-aligned." + echo "#define ARCH_ALIGN_DOUBLE" >> m.h + fi;; *) sh ./runtest dblalign.c case $? in @@ -425,8 +433,13 @@ esac if $int64_native; then case "$host" in hppa*-*-*) - echo "64-bit integers must be doubleword-aligned." - echo "#define ARCH_ALIGN_INT64" >> m.h;; + if test $2 = 8; then + echo "64-bit integers can be word-aligned." + echo "#undef ARCH_ALIGN_INT64" >> m.h + else + echo "64-bit integers must be doubleword-aligned." + echo "#define ARCH_ALIGN_INT64" >> m.h + fi;; *) sh ./runtest int64align.c case $? in |