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| author | Jim Wilson <wilson@gcc.gnu.org> | 1996-08-03 18:20:26 -0700 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1996-08-03 18:20:26 -0700 |
| commit | 292099cc6762633f98b4a8a1ad74f62f5b8cc9f5 (patch) | |
| tree | b0a26282641a62208f242773fc756ee9face8e91 /gcc | |
| parent | cd25d00b2556334e757b2c826fe089f1c1e0d0e4 (diff) | |
| download | gcc-292099cc6762633f98b4a8a1ad74f62f5b8cc9f5.zip gcc-292099cc6762633f98b4a8a1ad74f62f5b8cc9f5.tar.gz gcc-292099cc6762633f98b4a8a1ad74f62f5b8cc9f5.tar.bz2 | |
(subsi3+1): Handle case where first operand is constant
but second operand is not.
From-SVN: r12589
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i960/i960.md | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/config/i960/i960.md b/gcc/config/i960/i960.md index f6ca00e..32acd92 100644 --- a/gcc/config/i960/i960.md +++ b/gcc/config/i960/i960.md @@ -1509,6 +1509,9 @@ ;; add instruction. ;; Some assemblers apparently won't accept two addresses added together. +;; ??? The condition should be improved to reject the case of two +;; symbolic constants. + (define_insn "" [(set (match_operand:SI 0 "register_operand" "=d,d,d") (plus:SI (match_operand:SI 1 "arith32_operand" "%dn,i,dn") @@ -1531,8 +1534,16 @@ else if (INTVAL (operands[2]) >= 0 && INTVAL (operands[2]) < 32) return \"addo %1,%2,%0\"; } + /* Non-canonical results (op1 == const, op2 != const) have been seen + in reload output when both operands were symbols before reload, so + we deal with it here. This may be a fault of the constraints above. */ if (CONSTANT_P (operands[1])) - return \"lda %1+%2,%0\"; + { + if (CONSTANT_P (operands[2])) + return \"lda %1+%2,%0\"; + else + return \"lda %1(%2),%0\"; + } return \"lda %2(%1),%0\"; }") |