From 03e69b1217876cb8dac551b96b2bf05b9e04f9b6 Mon Sep 17 00:00:00 2001 From: Mikael Pettersson Date: Sun, 31 Jul 2011 17:00:58 +0200 Subject: [PATCH] Author: Mikael Pettersson PR target/47908 * gcc/config/m68k/m68k.c (m68k_override_options_after_change): New function. Disable instruction scheduling for non-ColdFire targets. (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define. From-SVN: r176975 --- gcc/ChangeLog | 7 +++++++ gcc/config/m68k/m68k.c | 17 +++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c10b1e0ade9..b637de28a07 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2011-07-31 Mikael Pettersson + + PR target/47908 + * config/m68k/m68k.c (m68k_override_options_after_change): New function. + Disable instruction scheduling for non-ColdFire targets. + (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define. + 2011-07-31 Revital Eres * ddg.c (create_ddg_dep_from_intra_loop_link): Remove the creation diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index c0621c1fce1..8b57d6cd740 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -136,6 +136,7 @@ static bool m68k_can_eliminate (const int, const int); static void m68k_conditional_register_usage (void); static bool m68k_legitimate_address_p (enum machine_mode, rtx, bool); static void m68k_option_override (void); +static void m68k_override_options_after_change (void); static rtx find_addr_reg (rtx); static const char *singlemove_string (rtx *); static void m68k_output_mi_thunk (FILE *, tree, HOST_WIDE_INT, @@ -235,6 +236,9 @@ static bool m68k_cannot_force_const_mem (enum machine_mode mode, rtx x); #undef TARGET_OPTION_OVERRIDE #define TARGET_OPTION_OVERRIDE m68k_option_override +#undef TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE +#define TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE m68k_override_options_after_change + #undef TARGET_RTX_COSTS #define TARGET_RTX_COSTS m68k_rtx_costs @@ -634,6 +638,19 @@ m68k_option_override (void) } } +/* Implement TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE. */ + +static void +m68k_override_options_after_change (void) +{ + if (m68k_sched_cpu == CPU_UNKNOWN) + { + flag_schedule_insns = 0; + flag_schedule_insns_after_reload = 0; + flag_modulo_sched = 0; + } +} + /* Generate a macro of the form __mPREFIX_cpu_NAME, where PREFIX is the given argument and NAME is the argument passed to -mcpu. Return NULL if -mcpu was not passed. */ -- 2.30.2