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Re: patch to reduce register pressure from strength reduction
- To: grahams at rcp dot co dot uk
- Subject: Re: patch to reduce register pressure from strength reduction
- From: Joern Rennecke <amylaar at cygnus dot co dot uk>
- Date: Thu, 28 Jan 1999 17:24:02 +0000 (GMT)
- Cc: amylaar at cygnus dot co dot uk, egcs-patches at cygnus dot com
> I came across this problem trying to bootstrap on x86-linux with the
> following
> flags "-O9 -march=pentiumpro -mcpu=pentiumpro -funroll-loops
> -fomit-frame-pointer".
> The bootstrap fails when compiling gcc/reload1.c using the stage1/cc1
> compiler
> due to access violation caused by a giv_inc being 0 when passed to
> INTVAL() macro.
I can reproduce this by compiling reload1.c by hand with a stage1
compiler and the options you quoted. I'm looking into it.