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rs6000: Give names to cbranch/creturn patterns

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This gives a name to the conditional branch and conditional return
patterns, so that it looks neater in dumps and verbose asm.  Also, the
comment for conditional branch was out of date; this fixes it.


	* config/rs6000/rs6000.md (*cbranch, *creturn): Name these patterns
	(they were unnamed before).  Fix comments.

From-SVN: r263623
This commit is contained in:
Segher Boessenkool 2018-08-17 19:22:36 +02:00 committed by Segher Boessenkool
parent 10f04917ab
commit 071db4aa1f
2 changed files with 10 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2018-08-17 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.md (*cbranch, *creturn): Name these patterns
(they were unnamed before). Fix comments.
2018-08-17 Nathan Sidwell <nathan@acm.org>
* cppbuiltin.c: Include "cpplib.h", not "cpp-id-data.h".

10
gcc/config/rs6000/rs6000.md
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@ -12254,11 +12254,10 @@
(const_string "12")
(const_string "16")))])
;; Define both directions of branch and return. If we need a reload
;; register, we'd rather use CR0 since it is much easier to copy a
;; register CC value to there.
;; Conditional branches.
;; These either are a single bc insn, or a bc around a b.
(define_insn ""
(define_insn "*cbranch"
[(set (pc)
(if_then_else (match_operator 1 "branch_comparison_operator"
[(match_operand 2 "cc_reg_operand" "y")
@ -12278,7 +12277,8 @@
(const_int 4)
(const_int 8)))])
(define_insn ""
;; Conditional return.
(define_insn "*creturn"
[(set (pc)
(if_then_else (match_operator 0 "branch_comparison_operator"
[(match_operand 1 "cc_reg_operand" "y")