From 890f32a6632b89b36bedb7c2364264104863da92 Mon Sep 17 00:00:00 2001 From: pthaugen Date: Thu, 18 Jul 2013 20:24:34 +0000 Subject: * config/rs6000/rs6000.c (rs6000_option_override_internal): Adjust flag interaction for new Power8 flags and VSX. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@201041 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/config/rs6000/rs6000.c | 15 ++++++++++++++- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 15591e1e288..99788662229 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-07-18 Pat Haugen + + * config/rs6000/rs6000.c (rs6000_option_override_internal): Adjust flag + interaction for new Power8 flags and VSX. + 2013-07-18 Sriraman Tallam PR middle-end/57698 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 3d86bd13381..2616e6cacc8 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -2966,7 +2966,10 @@ rs6000_option_override_internal (bool global_init_p) if (rs6000_isa_flags_explicit & OPTION_MASK_VSX) msg = N_("-mvsx requires hardware floating point"); else - rs6000_isa_flags &= ~ OPTION_MASK_VSX; + { + rs6000_isa_flags &= ~ OPTION_MASK_VSX; + rs6000_isa_flags_explicit |= OPTION_MASK_VSX; + } } else if (TARGET_PAIRED_FLOAT) msg = N_("-mvsx and -mpaired are incompatible"); @@ -2994,6 +2997,16 @@ rs6000_option_override_internal (bool global_init_p) } } + /* If hard-float/altivec/vsx were explicitly turned off then don't allow + the -mcpu setting to enable options that conflict. */ + if ((!TARGET_HARD_FLOAT || !TARGET_ALTIVEC || !TARGET_VSX) + && (rs6000_isa_flags_explicit & (OPTION_MASK_SOFT_FLOAT + | OPTION_MASK_ALTIVEC + | OPTION_MASK_VSX)) != 0) + rs6000_isa_flags &= ~((OPTION_MASK_P8_VECTOR | OPTION_MASK_CRYPTO + | OPTION_MASK_DIRECT_MOVE) + & ~rs6000_isa_flags_explicit); + if (TARGET_DEBUG_REG || TARGET_DEBUG_TARGET) rs6000_print_isa_options (stderr, 0, "before defaults", rs6000_isa_flags); -- cgit v1.2.1