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riscv-gcc-1
Commit fa5679bb by Richard Kenner
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(adddi3/subdi3): Allow immediate constants. 

From-SVN: r4101
parent 9854d9ed
Showing with 12 additions and 8 deletions
gcc/config/rs6000/rs6000.md
...@@ -1992,18 +1992,22 @@ ...@@ -1992,18 +1992,22 @@
;; Define the DImode operations that can be done in a small number ;; Define the DImode operations that can be done in a small number
;; of instructions. ;; of instructions.
(define_insn "adddi3" (define_insn "adddi3"
[(set (match_operand:DI 0 "gpc_reg_operand" "=r") [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
(plus:DI (match_operand:DI 1 "gpc_reg_operand" "%r") (plus:DI (match_operand:DI 1 "gpc_reg_operand" "%r,r")
(match_operand:DI 2 "gpc_reg_operand" "r")))] (match_operand:DI 2 "reg_or_short_operand" "r,I")))]
"" ""
"a %L0,%L1,%L2\;ae %0,%1,%2") "@
a %L0,%L1,%L2\;ae %0,%1,%2
ai %L0,%L1,%2\;a%G2e %0,%1")
(define_insn "subdi3" (define_insn "subdi3"
[(set (match_operand:DI 0 "gpc_reg_operand" "=r") [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
(minus:DI (match_operand:DI 1 "gpc_reg_operand" "r") (minus:DI (match_operand:DI 1 "reg_or_short_operand" "r,I")
(match_operand:DI 2 "gpc_reg_operand" "r")))] (match_operand:DI 2 "gpc_reg_operand" "r,r")))]
"" ""
"sf %L0,%L2,%L1\;sfe %0,%2,%1") "@
sf %L0,%L2,%L1\;sfe %0,%2,%1
sfi %L0,%L2,%1\;sf%G1e %0,%2")
(define_insn "negdi2" (define_insn "negdi2"
[(set (match_operand:DI 0 "gpc_reg_operand" "=r") [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
......
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