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rs6000.md (cceq splitter): Use operand mode, not CCEQ mode for branch_positive_comparison_operator test.

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* config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
	CCEQ mode for branch_positive_comparison_operator test.
	* config/rs6000/predicates (branch_comparison_operator): Revert to
	define_predicate.
	(scc_comparison_operator): Same.
	(branch_positive_comparison_operator): Same.

From-SVN: r95755
This commit is contained in:
David Edelsohn 2005-03-01 22:23:28 +00:00 committed by David Edelsohn
parent b6c8b41297
commit 364849ee36
3 changed files with 16 additions and 5 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2005-03-01 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
CCEQ mode for branch_positive_comparison_operator test.
* config/rs6000/predicates (branch_comparison_operator): Revert to
define_predicate.
(scc_comparison_operator): Same.
(branch_positive_comparison_operator): Same.
2005-03-01 Hans-Peter Nilsson <hp@axis.com>
* config/cris/cris.c (cris_eligible_for_epilogue_delay)

6
gcc/config/rs6000/predicates.md
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@ -678,7 +678,7 @@
;; Return 1 if OP is a comparison operation that is valid for a branch
;; instruction. We only check the opcode against the mode of the CC value.
(define_special_predicate "branch_comparison_operator"
(define_predicate "branch_comparison_operator"
(match_code "eq,ne,le,lt,ge,gt,leu,ltu,geu,gtu,unordered,ordered,unge,unle")
{
enum rtx_code code = GET_CODE (op);
@ -698,13 +698,13 @@
;; Return 1 if OP is a comparison operation that is valid for an SCC insn --
;; it must be a positive comparison.
(define_special_predicate "scc_comparison_operator"
(define_predicate "scc_comparison_operator"
(and (match_code "eq,lt,gt,ltu,gtu,unordered")
(match_operand 0 "branch_comparison_operator")))
;; Return 1 if OP is a comparison operation that is valid for a branch
;; insn, which is true if the corresponding bit in the CC register is set.
(define_special_predicate "branch_positive_comparison_operator"
(define_predicate "branch_positive_comparison_operator"
(and (match_code "eq,lt,gt,ltu,gtu,unordered")
(match_operand 0 "branch_comparison_operator")))

6
gcc/config/rs6000/rs6000.md
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@ -13955,8 +13955,10 @@
{
int positive_1, positive_2;
positive_1 = branch_positive_comparison_operator (operands[1], CCEQmode);
positive_2 = branch_positive_comparison_operator (operands[3], CCEQmode);
positive_1 = branch_positive_comparison_operator (operands[1],
GET_MODE (operands[1]));
positive_2 = branch_positive_comparison_operator (operands[3],
GET_MODE (operands[3]));
if (! positive_1)
operands[1] = gen_rtx_fmt_ee (rs6000_reverse_condition (GET_MODE (operands[2]),