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(zero_extendhisi2+[12]): use true_regnum instead of REGN 

From-SVN: r13808
This commit is contained in:
Stan Cox 1997-03-27 22:23:58 +00:00
parent d5c65c96b8
commit 3bc97c5616
1 changed files with 5 additions and 9 deletions
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14
gcc/config/i386/i386.md
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@ -1816,7 +1816,7 @@
(const_int 0))
(set (strict_low_part (match_dup 2))
(match_dup 1))]
"operands[2] = gen_rtx (REG, HImode, REGNO (operands[0]));")
"operands[2] = gen_rtx (REG, HImode, true_regnum (operands[0]));")
(define_split
@ -1828,7 +1828,7 @@
(set (match_dup 0)
(and:SI (match_dup 0)
(const_int 65535)))]
"operands[2] = gen_rtx (REG, HImode, REGNO (operands[0]));")
"operands[2] = gen_rtx (REG, HImode, true_regnum (operands[0]));")
(define_insn "zero_extendqihi2"
[(set (match_operand:HI 0 "register_operand" "=q,&q,?r")
@ -1989,18 +1989,14 @@
(define_split
[(set (match_operand:SI 0 "register_operand" "")
(zero_extend:SI (match_operand:QI 1 "register_operand" "")))]
"reload_completed && TARGET_ZERO_EXTEND_WITH_AND"
"reload_completed && TARGET_ZERO_EXTEND_WITH_AND
&& ! reg_overlap_mentioned_p (operands[0], operands[1])"
[(set (match_dup 0)
(match_dup 2))
(set (match_dup 0)
(and:SI (match_dup 0)
(const_int 255)))]
"if (GET_CODE (operands[1]) == SUBREG && SUBREG_WORD (operands[1]) == 0)
operands[1] = SUBREG_REG (operands[1]);
if (GET_CODE (operands[1]) != REG
|| REGNO (operands[0]) == REGNO (operands[1]))
FAIL;
operands[2] = gen_rtx (REG, SImode, REGNO (operands[1]));")
"operands[2] = gen_rtx (REG, SImode, true_regnum (operands[1]));")
(define_insn "zero_extendsidi2"
[(set (match_operand:DI 0 "nonimmediate_operand" "=r,?r,?m")