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recog.cc: Correct comments referring to parameter match_len

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* recog.cc (peep2_attempt, peep2_update_life): Correct
	head-comment description of parameter match_len.
This commit is contained in:
Hans-Peter Nilsson 2023-04-19 17:45:57 +02:00 • committed by Hans-Peter Nilsson
parent dd39ec6dc7
commit 064eed39d2
1 changed files with 2 additions and 2 deletions
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gcc/recog.cc
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@ -3850,7 +3850,7 @@ copy_frame_info_to_split_insn (rtx_insn *old_insn, rtx_insn *new_insn)
maybe_copy_prologue_epilogue_insn (old_insn, new_insn);
}
/* While scanning basic block BB, we found a match of length MATCH_LEN,
/* While scanning basic block BB, we found a match of length MATCH_LEN + 1,
starting at INSN. Perform the replacement, removing the old insns and
replacing them with ATTEMPT. Returns the last insn emitted, or NULL
if the replacement is rejected. */
@ -4036,7 +4036,7 @@ peep2_attempt (basic_block bb, rtx_insn *insn, int match_len, rtx_insn *attempt)
/* After performing a replacement in basic block BB, fix up the life
information in our buffer. LAST is the last of the insns that we
emitted as a replacement. PREV is the insn before the start of
the replacement. MATCH_LEN is the number of instructions that were
the replacement. MATCH_LEN + 1 is the number of instructions that were
matched, and which now need to be replaced in the buffer. */
static void