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riscv-gcc-1
Commit 564890c9 by Jim Wilson
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(branch_true): Add comment about T-bit compares. 

From-SVN: r12172
parent 211a0f85
Showing with 4 additions and 0 deletions
gcc/config/sh/sh.md
......@@ -1483,6 +1483,10 @@
;; Define the real conditional branch instructions.
;; ------------------------------------------------------------------------
;; ??? Branches should compare T-bit against zero not one, so that they will
;; be in canonical form. get_condition in loop.c for instance will fail
;; with these patterns.
(define_insn "branch_true"
[(set (pc) (if_then_else (eq (reg:SI 18) (const_int 1))
(label_ref (match_operand 0 "" ""))
......
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