From 8f7583621634f0d25e25c4047ed37d9bb52ce23d Mon Sep 17 00:00:00 2001 From: rth Date: Sun, 29 Oct 2000 05:41:44 +0000 Subject: [PATCH] * regrename.c (scan_rtx_address): Frob action, not class, when trying to disable optimization. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37117 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/regrename.c | 4 +++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 876b6671bafa..9472fa0df4c0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-10-28 Richard Henderson + + * regrename.c (scan_rtx_address): Frob action, not class, + when trying to disable optimization. + 2000-10-28 Mark Mitchell * c-semantics.c (make_rtl_for_local_static): Don't clobber diff --git a/gcc/regrename.c b/gcc/regrename.c index ffe6d422b390..5078585647ee 100644 --- a/gcc/regrename.c +++ b/gcc/regrename.c @@ -475,7 +475,9 @@ scan_rtx_address (insn, loc, class, action, mode) case PRE_DEC: case PRE_MODIFY: #ifndef AUTO_INC_DEC - class = NO_REGS; + /* If the target doesn't claim to handle autoinc, this must be + something special, like a stack push. Kill this chain. */ + action = terminate_all_read; #endif break; -- 2.47.2