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| author | Alexandre Oliva <aoliva@redhat.com> | 2000-12-01 03:29:02 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2000-12-01 03:29:02 +0000 |
| commit | 3d422cb195ff12f1775103d5308495d459d860ec (patch) | |
| tree | 1b58068f19d3b2610de8c6488b8ad77801f819f3 /gcc | |
| parent | b927e8c7203c92b0580665b6ee75cff290c64d0d (diff) | |
| download | gcc-3d422cb195ff12f1775103d5308495d459d860ec.zip gcc-3d422cb195ff12f1775103d5308495d459d860ec.tar.gz gcc-3d422cb195ff12f1775103d5308495d459d860ec.tar.bz2 | |
sh.c (shiftcosts): Don't get INTVAL before testing whether X is a CONST_INT.
* config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
whether X is a CONST_INT.
(addsubcosts): Likewise.
From-SVN: r37911
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 7 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5d064f8..3dc102c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2000-12-01 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing + whether X is a CONST_INT. + (addsubcosts): Likewise. + * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of mis-used XINT. (ARG_POINTER_REGNUM): Set to AP_REG. diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index b17295f..80b1808 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -965,12 +965,14 @@ int shiftcosts (x) rtx x; { - int value = INTVAL (XEXP (x, 1)); + int value; /* If shift by a non constant, then this will be expensive. */ if (GET_CODE (XEXP (x, 1)) != CONST_INT) return SH_DYNAMIC_SHIFT_COST; + value = INTVAL (XEXP (x, 1)); + /* Otherwise, return the true cost in instructions. */ if (GET_CODE (x) == ASHIFTRT) { @@ -1025,7 +1027,8 @@ addsubcosts (x) return 1; /* Likewise for small constants. */ - if (CONST_OK_FOR_I (INTVAL (XEXP (x, 1)))) + if (GET_CODE (XEXP (x, 1)) == CONST_INT + && CONST_OK_FOR_I (INTVAL (XEXP (x, 1)))) return 1; /* Any other constant requires a 2 cycle pc-relative load plus an |