From ae58e548884f696e600966549867df23de3ff2d3 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Sat, 11 Jul 2009 19:40:29 +0200 Subject: re PR target/40667 (stack frames are generated even with -fomit-frame-pointer) PR rtl-optimization/40667 * defaults.h (MINIMUM_ALIGNMENT): Define if not defined. * doc/tm.texi (MINIMUM_ALIGNMENT): Document it. * config/i386/i386.h (MINIMUM_ALIGNMENT): Define. * config/i386/i386.c (ix86_minimum_alignment): New function. * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype. * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT. * emit-rtl.c (gen_reg_rtx): Likewise. * function.c (assign_parms): Likewise. If nominal_type needs bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment rather than passed_type's alignment. From-SVN: r149513 --- gcc/emit-rtl.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'gcc/emit-rtl.c') diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index df2b4b7..d20f2b5 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -869,7 +869,11 @@ gen_reg_rtx (enum machine_mode mode) if (SUPPORTS_STACK_ALIGNMENT && crtl->stack_alignment_estimated < align && !crtl->stack_realign_processed) - crtl->stack_alignment_estimated = align; + { + unsigned int min_align = MINIMUM_ALIGNMENT (NULL, mode, align); + if (crtl->stack_alignment_estimated < min_align) + crtl->stack_alignment_estimated = min_align; + } if (generating_concat_p && (GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT -- cgit v1.1