haifa-sched.c: Convert to target hooks.

	* haifa-sched.c: Convert to target hooks.  Macros replaced
	are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
	MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
	MD_SCHED_FINISH, and HAVE_cycle_display.
	* target-def.h (TARGET_SCHED_ADJUST_COST,
	TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
	TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
	TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
	TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
	New hook #defines to be overridden.
	(TARGET_SCHED): Bring them all together.
	(TARGET_INITIALIZER): Update.
	* target.h: Don't forward declare struct rtx_def.  Use 'rtx'
	instead of 'struct rtx_def *' throughout.
	(struct sched): New set of hooks for the scheduler.
	* Makefile.in (haifa-sched.o): Depend on target.h.
	* doc/tm.texi: Document the new scheduler hooks, together in
	their own section, instead of scattered around.
	Fix a bunch of underfull/overfull hboxes.

	* a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
	ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
	sparc.h: Don't define any of the old scheduler macros.

	* a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
	ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
	sparc.c: Create hook functions from code extracted from
	corresponding target header, or make existing hooks static, as
	appropriate.  Set the appropriate entries in targetm.

	* alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
	i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
	rs6000-protos.h, s390-protos.h, sparc-protos.h:
	Remove prototypes for functions which are now static.

	* d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
	related gunk; the Haifa scheduler is now the only choice.

From-SVN: r45009

1 files changed, 15 insertions, 3 deletions

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index f8a168d..4bfb673 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -141,6 +141,10 @@ static void rs6000_elf_asm_out_destructor PARAMS ((rtx, int));
 #ifdef OBJECT_FORMAT_COFF
 static void xcoff_asm_named_section PARAMS ((const char *, unsigned int));
 #endif
+static int rs6000_adjust_cost PARAMS ((rtx, rtx, rtx, int));
+static int rs6000_adjust_priority PARAMS ((rtx, int));
+static int rs6000_issue_rate PARAMS ((void));
+
 
 /* Default register names.  */
 char rs6000_reg_names[][8] =
@@ -193,6 +197,13 @@ static char alt_reg_names[][8] =
 #define TARGET_SECTION_TYPE_FLAGS  rs6000_elf_section_type_flags
 #endif
 
+#undef TARGET_SCHED_ISSUE_RATE
+#define TARGET_SCHED_ISSUE_RATE rs6000_issue_rate
+#undef TARGET_SCHED_ADJUST_COST
+#define TARGET_SCHED_ADJUST_COST rs6000_adjust_cost
+#undef TARGET_SCHED_ADJUST_PRIORITY
+#define TARGET_SCHED_ADJUST_PRIORITY rs6000_adjust_priority
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 /* Override command line options.  Mostly we process the processor
@@ -7874,7 +7885,7 @@ output_function_profiler (file, labelno)
 /* Adjust the cost of a scheduling dependency.  Return the new cost of
    a dependency LINK or INSN on DEP_INSN.  COST is the current cost.  */
 
-int
+static int
 rs6000_adjust_cost (insn, link, dep_insn, cost)
      rtx insn;
      rtx link;
@@ -7910,7 +7921,7 @@ rs6000_adjust_cost (insn, link, dep_insn, cost)
    increase the priority to execute INSN later.  Do not define this macro if
    you do not need to adjust the scheduling priorities of insns.  */
 
-int
+static int
 rs6000_adjust_priority (insn, priority)
      rtx insn ATTRIBUTE_UNUSED;
      int priority;
@@ -7949,7 +7960,8 @@ rs6000_adjust_priority (insn, priority)
 }
 
 /* Return how many instructions the machine can issue per cycle */
-int get_issue_rate()
+static int
+rs6000_issue_rate ()
 {
   switch (rs6000_cpu_attr) {
   case CPU_RIOS1:  /* ? */