From 8e22f79f4d818468faec160e89265c0654de6616 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Tue, 3 Jul 2012 09:46:01 +0000 Subject: [PATCH] re PR target/28896 (-fstack-limit-symbol and m68k and non 68020) PR target/28896 * config/m68k/m68k.c (m68k_option_override): Reset stack_limit_rtx if !TARGET_68020. testsuite/ * gcc.target/m68k/stack-limit-1.c: New testcase. From-SVN: r189210 --- gcc/ChangeLog | 6 ++++++ gcc/config/m68k/m68k.c | 8 +++++++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.target/m68k/stack-limit-1.c | 6 ++++++ 4 files changed, 24 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/m68k/stack-limit-1.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8f0d5ecaae5..76a65856c9f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-07-03 Andreas Schwab + + PR target/28896 + * config/m68k/m68k.c (m68k_option_override): Reset stack_limit_rtx + if !TARGET_68020. + 2012-07-03 Uros Bizjak * config/i386/xmmintrin.h (_mm_sfence): Use __builtin_ia32_pause. diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 8684d0ab0b8..df705602baa 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -1,6 +1,6 @@ /* Subroutines for insn-output.c for Motorola 68000 family. Copyright (C) 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 + 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. This file is part of GCC. @@ -618,6 +618,12 @@ m68k_option_override (void) } #endif + if (stack_limit_rtx != NULL_RTX && !TARGET_68020) + { + warning (0, "-fstack-limit- options are not supported on this cpu"); + stack_limit_rtx = NULL_RTX; + } + SUBTARGET_OVERRIDE_OPTIONS; /* Setup scheduling options. */ diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1d7c75efde1..671d5c119ad 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-07-03 Andreas Schwab + + PR target/28896 + * gcc.target/m68k/stack-limit-1.c: New testcase. + 2012-07-03 Eric Botcazou * gnat.dg/recursive_call.adb: New test. diff --git a/gcc/testsuite/gcc.target/m68k/stack-limit-1.c b/gcc/testsuite/gcc.target/m68k/stack-limit-1.c new file mode 100644 index 00000000000..b1e9b99b26c --- /dev/null +++ b/gcc/testsuite/gcc.target/m68k/stack-limit-1.c @@ -0,0 +1,6 @@ +/* -fstack-limit- should be ignored without an ICE if not supported. */ +/* { dg-do compile } */ +/* { dg-options "-fstack-limit-symbol=_stack_limit -m68000" } */ +/* { dg-warning "not supported" "" { target *-*-* } 1 } */ + +void dummy (void) { } -- 2.30.2