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authorbernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4>2010-06-04 12:44:01 +0000
committerbernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4>2010-06-04 12:44:01 +0000
commit4164ad584ebdc233ba487903d919c730768c82d3 (patch)
tree2c2e8b8f4d4f62d949c6bbb9dc5113108d6f3f8e /gcc/ira.h
parent54007dc20d11032a1c3b28dec962c3cc48344d7c (diff)
downloadgcc-4164ad584ebdc233ba487903d919c730768c82d3.tar.gz
PR rtl-optimization/39871
PR rtl-optimization/40615 PR rtl-optimization/42500 PR rtl-optimization/42502 * ira.c (init_reg_equiv_memory_loc: New function. (ira): Call it twice. * reload.h (calculate_elim_costs_all_insns): Declare. * ira-costs.c: Include "reload.h". (regno_equiv_gains): New static variable. (init_costs): Allocate it. (finish_costs): Free it. (ira_costs): Call calculate_elim_costs_all_insns. (find_costs_and_classes): Take estimated elimination costs into account. (ira_adjust_equiv_reg_cost): New function. * ira.h (ira_adjust_equiv_reg_cost): Declare it. * reload1.c (init_eliminable_invariants, free_reg_equiv, elimination_costs_in_insn, note_reg_elim_costly): New static functions. (elim_bb): New static variable. (reload): Move code out of here into init_eliminable_invariants and free_reg_equiv. Call them. (calculate_elim_costs_all_insns): New function. (eliminate_regs_1): Declare. Add extra arg FOR_COSTS; all callers changed. If FOR_COSTS is true, don't call alter_reg, but call note_reg_elim_costly if we turned a valid memory address into an invalid one. * Makefile.in (ira-costs.o): Depend on reload.h. testsuite/ PR rtl-optimization/39871 PR rtl-optimization/40615 PR rtl-optimization/42500 PR rtl-optimization/42502 * gcc.target/arm/eliminate.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160260 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ira.h')
-rw-r--r--gcc/ira.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/ira.h b/gcc/ira.h
index 8c9734b8be3..97bfa875012 100644
--- a/gcc/ira.h
+++ b/gcc/ira.h
@@ -88,3 +88,4 @@ extern void ira_mark_new_stack_slot (rtx, int, unsigned int);
extern bool ira_better_spill_reload_regno_p (int *, int *, rtx, rtx, rtx);
extern bool ira_bad_reload_regno (int, rtx, rtx);
+extern void ira_adjust_equiv_reg_cost (unsigned, int);