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| author | Jim Wilson <wilson@cygnus.com> | 1998-12-08 22:08:13 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1998-12-08 14:08:13 -0800 |
| commit | 7a3c92a5968ea274e16e23a4eaa56a62ae94839f (patch) | |
| tree | aa31d5192cffe1803c8a8a2a0e73ee24385bd206 /gcc | |
| parent | 31c24861989997f2820d77da7a2af88887f34708 (diff) | |
| download | gcc-7a3c92a5968ea274e16e23a4eaa56a62ae94839f.zip gcc-7a3c92a5968ea274e16e23a4eaa56a62ae94839f.tar.gz gcc-7a3c92a5968ea274e16e23a4eaa56a62ae94839f.tar.bz2 | |
Fix bug found by i960 simulator testing.
* i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
only when OUTER_CODE is SET.
From-SVN: r24199
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i960/i960.h | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b2c8ae7..3b58772 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com> + + * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand + only when OUTER_CODE is SET. + Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk> * loop.c (strength_reduce): If scan_start points to the loop exit diff --git a/gcc/config/i960/i960.h b/gcc/config/i960/i960.h index 5889a41..627dfb0 100644 --- a/gcc/config/i960/i960.h +++ b/gcc/config/i960/i960.h @@ -1190,10 +1190,14 @@ extern struct rtx_def *gen_compare_reg (); that can be non-ldconst operands in rare cases are cost 1. Other constants have higher costs. */ +/* Must check for OUTER_CODE of SET for power2_operand, because + reload_cse_move2add calls us with OUTER_CODE of PLUS to decide when + to replace set with add. */ + #define CONST_COSTS(RTX, CODE, OUTER_CODE) \ case CONST_INT: \ if ((INTVAL (RTX) >= 0 && INTVAL (RTX) < 32) \ - || power2_operand (RTX, VOIDmode)) \ + || (OUTER_CODE == SET && power2_operand (RTX, VOIDmode))) \ return 0; \ else if (INTVAL (RTX) >= -31 && INTVAL (RTX) < 0) \ return 1; \ |