From f8024378a1f9796ced6f9ffe4ccf3725ca7fc40f Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Fri, 18 May 2007 21:35:12 +0000 Subject: [PATCH] re PR target/31989 (Gcc miscompiles C/C++ on Linux/x86-64) 2007-05-18 H.J. Lu PR target/31989 PR target/31681 PR target/31666 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to true if function has no argument. From-SVN: r124835 --- gcc/ChangeLog | 8 ++++++++ gcc/config/i386/i386.c | 5 ++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 630e06dffb6..6033a605f42 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2007-05-18 H.J. Lu + + PR target/31989 + PR target/31681 + PR target/31666 + * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to + true if function has no argument. + 2007-05-18 DJ Delorie * config/mips/mips.c (mips_offset_within_alignment_p): New. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 3c9445affdb..1bea8d7cb9e 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -3051,7 +3051,10 @@ init_cumulative_args (CUMULATIVE_ARGS *cum, /* Argument info to initialize */ cum->mmx_nregs = MMX_REGPARM_MAX; cum->warn_sse = true; cum->warn_mmx = true; - cum->maybe_vaarg = (fntype ? type_has_variadic_args_p (fntype) : !libname); + cum->maybe_vaarg = (fntype + ? (!TYPE_ARG_TYPES (fntype) + || type_has_variadic_args_p (fntype)) + : !libname); if (!TARGET_64BIT) { -- 2.30.2