From e61dd417714fb2e938e4268550fce9cd2a2a1491 Mon Sep 17 00:00:00 2001 From: bernds Date: Tue, 17 Nov 2015 21:24:38 +0000 Subject: [PATCH] Ensure earlyclobbered operands go through a terminate_write stage. * regrename.c (record_out_operands): Terminate earlyclobbered operands here. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230500 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 3 +++ gcc/regrename.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cdd7036..4037505 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2015-11-17 Bernd Schmidt + * regrename.c (record_out_operands): Terminate earlyclobbered + operands here. + PR target/66785 * regrename.c (record_operand_use): Keep track of failed operands and stop appending if we see any. diff --git a/gcc/regrename.c b/gcc/regrename.c index e126fcc..4d6eb37 100644 --- a/gcc/regrename.c +++ b/gcc/regrename.c @@ -1558,6 +1558,8 @@ record_out_operands (rtx_insn *insn, bool earlyclobber, insn_rr_info *insn_info) cur_operand = insn_info->op_info + i; prev_open = open_chains; + if (earlyclobber) + scan_rtx (insn, loc, cl, terminate_write, OP_OUT); scan_rtx (insn, loc, cl, mark_write, OP_OUT); /* ??? Many targets have output constraints on the SET_DEST -- 2.7.4