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riscv-gcc-1
Commit 87fd1847 by Torbjorn Granlund
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Delete spurious integer subtract patterns. 

Delete % from subtract operand constraints.

From-SVN: r11207
parent 3e78a97d
Showing with 1 additions and 22 deletions
gcc/config/i386/i386.md
......@@ -3196,13 +3196,6 @@ to memory, but better safe than sorry. */
"ix86_binary_operator_ok (MINUS, SImode, operands)"
"* return AS2 (sub%L0,%2,%0);")
(define_insn ""
[(set (match_operand:SI 0 "nonimmediate_operand" "=rm,r")
(minus:SI (match_operand:SI 1 "general_operand" "ri,rm")
(match_operand:SI 2 "nonimmediate_operand" "0,0")))]
"ix86_binary_operator_ok (MINUS, SImode, operands)"
"* return AS2 (sub%L0,%2,%0);")
(define_expand "subhi3"
[(set (match_operand:HI 0 "general_operand" "")
(minus:HI (match_operand:HI 1 "nonimmediate_operand" "")
......@@ -3212,18 +3205,11 @@ to memory, but better safe than sorry. */
(define_insn ""
[(set (match_operand:HI 0 "nonimmediate_operand" "=rm,r")
(minus:HI (match_operand:HI 1 "nonimmediate_operand" "%0,0")
(minus:HI (match_operand:HI 1 "nonimmediate_operand" "0,0")
(match_operand:HI 2 "general_operand" "ri,rm")))]
"ix86_binary_operator_ok (MINUS, HImode, operands)"
"* return AS2 (sub%W0,%2,%0);")
(define_insn ""
[(set (match_operand:HI 0 "nonimmediate_operand" "=rm,r")
(minus:HI (match_operand:HI 1 "general_operand" "ri,rm")
(match_operand:HI 2 "nonimmediate_operand" "0,0")))]
"ix86_binary_operator_ok (MINUS, HImode, operands)"
"* return AS2 (sub%W0,%2,%0);")
(define_expand "subqi3"
[(set (match_operand:QI 0 "general_operand" "")
(minus:QI (match_operand:QI 1 "general_operand" "")
......@@ -3238,13 +3224,6 @@ to memory, but better safe than sorry. */
"ix86_binary_operator_ok (MINUS, QImode, operands)"
"* return AS2 (sub%B0,%2,%0);")
(define_insn ""
[(set (match_operand:QI 0 "nonimmediate_operand" "=qm,q")
(minus:QI (match_operand:QI 1 "general_operand" "qn,qmn")
(match_operand:QI 2 "nonimmediate_operand" "0,0")))]
"ix86_binary_operator_ok (MINUS, QImode, operands)"
"* return AS2 (sub%B0,%2,%0);")
;; The patterns that match these are at the end of this file.
(define_expand "subxf3"
......
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