diff options
Diffstat (limited to 'gcc/config/riscv/sync.md')
| -rw-r--r-- | gcc/config/riscv/sync.md | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/gcc/config/riscv/sync.md b/gcc/config/riscv/sync.md index 726800a..50ec8b3 100644 --- a/gcc/config/riscv/sync.md +++ b/gcc/config/riscv/sync.md @@ -405,18 +405,17 @@ (match_operand:SI 3 "const_int_operand")] ;; model UNSPEC_SYNC_EXCHANGE)) (set (match_dup 1) - (match_operand:GPR 2 "register_operand" "0")) + (match_operand:GPR 2 "reg_or_0_operand" "rJ")) (clobber (match_scratch:GPR 4 "=&r"))] ;; tmp_1 "!TARGET_ZAAMO && TARGET_ZALRSC" { return "1:\;" - "lr.<amo>%I3\t%4, %1\;" - "sc.<amo>%J3\t%0, %0, %1\;" - "bnez\t%0, 1b\;" - "mv\t%0, %4"; + "lr.<amo>%I3\t%0, %1\;" + "sc.<amo>%J3\t%4, %z2, %1\;" + "bnez\t%4, 1b\"; } [(set_attr "type" "atomic") - (set (attr "length") (const_int 16))]) + (set (attr "length") (const_int 12))]) (define_expand "atomic_exchange<mode>" [(match_operand:SHORT 0 "register_operand") ;; old value at mem @@ -628,7 +627,7 @@ (match_operand:SHORT 1 "memory_operand" "+A")) ;; memory (set (match_dup 1) (unspec_volatile:SHORT [(match_operand:SHORT 2 "register_operand" "0") ;; expected_val - (match_operand:SHORT 3 "register_operand" "rJ") ;; desired_val + (match_operand:SHORT 3 "reg_or_0_operand" "rJ") ;; desired_val (match_operand:SI 4 "const_int_operand") ;; mod_s (match_operand:SI 5 "const_int_operand")] ;; mod_f UNSPEC_COMPARE_AND_SWAP))] |