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Author: Mikael Pettersson <mikpe@it.uu.se> 

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
This commit is contained in:
Mikael Pettersson 2011-07-31 17:00:58 +02:00 committed by Andreas Schwab
parent dcaac07dbf
commit 03e69b1217
2 changed files with 24 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2011-07-31 Mikael Pettersson <mikpe@it.uu.se>
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 <revital.eres@linaro.org>
* ddg.c (create_ddg_dep_from_intra_loop_link): Remove the creation

17
gcc/config/m68k/m68k.c
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@ -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. */