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c4x.md (addqi3): Emit addqi3_noclobber pattern during reload.

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* config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
	during reload.

From-SVN: r23872
This commit is contained in:
Michael Hayes 1998-11-25 17:14:35 +00:00 committed by Michael Hayes
parent de4c7b029c
commit f3ed04e72a
2 changed files with 14 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
during reload.
Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
* config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1

10
gcc/config/c4x/c4x.md
View File

@ -1507,13 +1507,21 @@
;
; ADDI
;
; This is used by reload when it calls gen_add2_insn for address arithmetic
; so we must emit the pattern that doesn't clobber CC.
;
(define_expand "addqi3"
[(parallel [(set (match_operand:QI 0 "reg_operand" "")
(plus:QI (match_operand:QI 1 "src_operand" "")
(match_operand:QI 2 "src_operand" "")))
(clobber (reg:CC_NOOV 21))])]
""
"legitimize_operands (PLUS, operands, QImode);")
"legitimize_operands (PLUS, operands, QImode);
if (reload_in_progress)
{
emit_insn (gen_addqi3_noclobber (operands[0], operands[1], operands[2]));
DONE;
}")
(define_insn "*addqi3_clobber"
[(set (match_operand:QI 0 "reg_operand" "=d,?d,d,c,?c,c")