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| author | Jan Hubicka <jh@suse.cz> | 2001-05-17 19:49:34 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-05-17 17:49:34 +0000 |
| commit | 992550d9a688aed347411c45abfd6ef70f11386f (patch) | |
| tree | ef6cfc17319151d60254b6cae966ce4d59cf05ec /gcc | |
| parent | 20415bba8aa6ae85e90b3873e7d0518ffc5fa016 (diff) | |
| download | gcc-992550d9a688aed347411c45abfd6ef70f11386f.zip gcc-992550d9a688aed347411c45abfd6ef70f11386f.tar.gz gcc-992550d9a688aed347411c45abfd6ef70f11386f.tar.bz2 | |
recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode when calling simplify_subreg.
* recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
when calling simplify_subreg. This is needed to allow replacing
of expression of one mode by expression of different mode.
From-SVN: r42214
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/recog.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4087617..f021be5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode + when calling simplify_subreg. This is needed to allow replacing + of expression of one mode by expression of different mode. + Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz> * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs. diff --git a/gcc/recog.c b/gcc/recog.c index d858394..00b45c6 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -582,7 +582,9 @@ validate_replace_rtx_1 (loc, from, to, object) if (rtx_equal_p (SUBREG_REG (x), from)) { rtx temp; - temp = simplify_subreg (GET_MODE (x), to, GET_MODE (SUBREG_REG (x)), + temp = simplify_subreg (GET_MODE (x), to, + GET_MODE (to) != VOIDmode + ? GET_MODE (to) : GET_MODE (SUBREG_REG (x)), SUBREG_BYTE (x)); if (temp) { |