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gcc/
2011-07-29 Mikael Pettersson <mikpe@it.uu.se>
PR target/47908
* config/m68k/m68k-protos.h (optimization_options): Declare.
* config/m68k/m68k.c (optimization_options): New function.
Disable instruction scheduling for non-ColdFire targets.
* config/m68k/m68k.h (OPTIMIZATION_OPTIONS): Define.
--- gcc-4.5.3/gcc/config/m68k/m68k-protos.h.~1~ 2009-05-18 09:54:44.000000000 +0200
+++ gcc-4.5.3/gcc/config/m68k/m68k-protos.h 2011-07-29 13:31:33.000000000 +0200
@@ -95,6 +95,7 @@ extern void m68k_expand_prologue (void);
extern bool m68k_use_return_insn (void);
extern void m68k_expand_epilogue (bool);
extern void override_options (void);
+extern void optimization_options (int, int);
extern const char *m68k_cpp_cpu_ident (const char *);
extern const char *m68k_cpp_cpu_family (const char *);
extern void init_68881_table (void);
--- gcc-4.5.3/gcc/config/m68k/m68k.c.~1~ 2010-06-14 22:01:39.000000000 +0200
+++ gcc-4.5.3/gcc/config/m68k/m68k.c 2011-07-29 13:31:33.000000000 +0200
@@ -742,6 +742,17 @@ override_options (void)
}
}
+void
+optimization_options (int level ATTRIBUTE_UNUSED, int size ATTRIBUTE_UNUSED)
+{
+ 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. */
--- gcc-4.5.3/gcc/config/m68k/m68k.h.~1~ 2009-09-22 17:49:54.000000000 +0200
+++ gcc-4.5.3/gcc/config/m68k/m68k.h 2011-07-29 13:31:33.000000000 +0200
@@ -276,6 +276,9 @@ along with GCC; see the file COPYING3.
#define OVERRIDE_OPTIONS override_options()
+#define OPTIMIZATION_OPTIONS(LEVEL,SIZE) \
+ optimization_options ((LEVEL), (SIZE))
+
/* These are meant to be redefined in the host dependent files */
#define SUBTARGET_OVERRIDE_OPTIONS
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