From ce73761f15fce4c1e116ca3975db3443ac5013ef Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sat, 28 Oct 2000 22:41:44 -0700 Subject: [PATCH] regrename.c (scan_rtx_address): Frob action, not class, when trying to disable optimization. * regrename.c (scan_rtx_address): Frob action, not class, when trying to disable optimization. From-SVN: r37117 --- gcc/ChangeLog | 5 +++++ gcc/regrename.c | 4 +++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 876b6671baf..9472fa0df4c 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 ffe6d422b39..5078585647e 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; -- 2.30.2