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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-07 22:19:05 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-07 22:19:05 +0000 |
| commit | 9685f2a4f080489824b7d9108f8f7cda0b0a0ab1 (patch) | |
| tree | 3c0d11e97a3715d261f4563df14c5535a43ad08a /gcc/reload.c | |
| parent | ef11801eed37eaa12561078947a075afe896ed5c (diff) | |
| download | gcc-9685f2a4f080489824b7d9108f8f7cda0b0a0ab1.tar.gz | |
* reload.c (push_reload): Check for subreg_lowpart_p instead of
SUBREG_BYTE being 0 when determining if the inner part of a subreg
can be reloaded.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45480 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index b069d188899..ad4b4e858f6 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -937,13 +937,13 @@ push_reload (in, out, inloc, outloc, class, Finally, reload the inner expression if it is a register that is in the class whose registers cannot be referenced in a different size - and M1 is not the same size as M2. If SUBREG_BYTE is nonzero, we + and M1 is not the same size as M2. If subreg_lowpart_p is false, we cannot reload just the inside since we might end up with the wrong register class. But if it is inside a STRICT_LOW_PART, we have no choice, so we hope we do get the right register class there. */ if (in != 0 && GET_CODE (in) == SUBREG - && (SUBREG_BYTE (in) == 0 || strict_low) + && (subreg_lowpart_p (in) || strict_low) #ifdef CLASS_CANNOT_CHANGE_MODE && (class != CLASS_CANNOT_CHANGE_MODE || ! CLASS_CANNOT_CHANGE_MODE_P (GET_MODE (SUBREG_REG (in)), inmode)) @@ -977,7 +977,7 @@ push_reload (in, out, inloc, outloc, class, && REGNO (SUBREG_REG (in)) < FIRST_PSEUDO_REGISTER /* The case where out is nonzero is handled differently in the following statement. */ - && (out == 0 || SUBREG_BYTE (in) == 0) + && (out == 0 || subreg_lowpart_p (in)) && ((GET_MODE_SIZE (inmode) <= UNITS_PER_WORD && (GET_MODE_SIZE (GET_MODE (SUBREG_REG (in))) > UNITS_PER_WORD) @@ -1056,7 +1056,7 @@ push_reload (in, out, inloc, outloc, class, (except in the case of STRICT_LOW_PART, and in that case the constraint should label it input-output.) */ if (out != 0 && GET_CODE (out) == SUBREG - && (SUBREG_BYTE (out) == 0 || strict_low) + && (subreg_lowpart_p (out) || strict_low) #ifdef CLASS_CANNOT_CHANGE_MODE && (class != CLASS_CANNOT_CHANGE_MODE || ! CLASS_CANNOT_CHANGE_MODE_P (GET_MODE (SUBREG_REG (out)), |