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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2003-04-19 12:57:36 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2003-04-19 12:57:36 +0000
commit678ac0f4124b36a9c443421e1d013edc8dea25be (patch)
tree7528a625fdf4ebac3efe2a35ac63b4ccf463908b /gcc/rtlanal.c
parent5bb46c0854b269fe8daad88a7ccf2ca4d1710c8b (diff)
downloadgcc-678ac0f4124b36a9c443421e1d013edc8dea25be.tar.gz
* rtlanal.c (subreg_offset_representable_p): Fix call of
subreg_lowpart. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65817 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/rtlanal.c')
-rw-r--r--gcc/rtlanal.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 80fff6310bf..b0c76cc851d 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -3432,8 +3432,10 @@ subreg_offset_representable_p (xregno, xmode, offset, ymode)
redesigned. */
if (GET_MODE_SIZE (xmode) % GET_MODE_SIZE (ymode)
|| GET_MODE_SIZE (ymode) % nregs_ymode
- || mode_for_size (GET_MODE_SIZE (ymode) / nregs_ymode,
- MODE_INT, 0) == VOIDmode
+ || (GET_MODE_BITSIZE (mode_for_size (GET_MODE_BITSIZE (xmode)
+ / nregs_xmode,
+ MODE_INT, 0))
+ != GET_MODE_BITSIZE (xmode) / nregs_xmode)
|| nregs_xmode % nregs_ymode)
abort ();
#endif
@@ -3441,9 +3443,10 @@ subreg_offset_representable_p (xregno, xmode, offset, ymode)
/* The XMODE value can be seen as an vector of NREGS_XMODE
values. The subreg must represent an lowpart of given field.
Compute what field it is. */
- offset -= subreg_lowpart_offset (mode_for_size (GET_MODE_SIZE (ymode)
- / nregs_ymode,
- MODE_INT, 0), xmode);
+ offset -= subreg_lowpart_offset (ymode,
+ mode_for_size (GET_MODE_BITSIZE (xmode)
+ / nregs_xmode,
+ MODE_INT, 0));
/* size of ymode must not be greater than the size of xmode. */
mode_multiple = GET_MODE_SIZE (xmode) / GET_MODE_SIZE (ymode);