diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/arm/arm.md | 12 |
2 files changed, 12 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a4c777c57a5..8ed5b7fc92e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2009-02-02 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.md (arm_addsi3): Add r/r/k alternative. + 2009-02-02 Jakub Jelinek <jakub@redhat.com> PR inline-asm/39058 diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 0acf257cb43..4eccd734b82 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -605,14 +605,18 @@ "" ) +;; The r/r/k alternative is required when reloading the address +;; (plus (reg rN) (reg sp)) into (reg rN). In this case reload will +;; put the duplicated register first, and not try the commutative version. (define_insn_and_split "*arm_addsi3" - [(set (match_operand:SI 0 "s_register_operand" "=r, !k,r, !k,r") - (plus:SI (match_operand:SI 1 "s_register_operand" "%rk,!k,rk,!k,rk") - (match_operand:SI 2 "reg_or_int_operand" "rI, rI,L, L,?n")))] + [(set (match_operand:SI 0 "s_register_operand" "=r, !k, r,r, !k,r") + (plus:SI (match_operand:SI 1 "s_register_operand" "%rk,!k, r,rk,!k,rk") + (match_operand:SI 2 "reg_or_int_operand" "rI, rI,!k,L, L,?n")))] "TARGET_32BIT" "@ add%?\\t%0, %1, %2 add%?\\t%0, %1, %2 + add%?\\t%0, %2, %1 sub%?\\t%0, %1, #%n2 sub%?\\t%0, %1, #%n2 #" @@ -627,7 +631,7 @@ operands[1], 0); DONE; " - [(set_attr "length" "4,4,4,4,16") + [(set_attr "length" "4,4,4,4,4,16") (set_attr "predicable" "yes")] ) |
