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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2000-05-19 22:27:28 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2000-05-19 18:27:28 -0400 |
| commit | efc9bd412d3e48467658e5e8c5905669f160dc82 (patch) | |
| tree | 8f88314b754c91c4f21319edf9d007c274a0a151 /gcc/reload.c | |
| parent | c280e37af477f21bc3503b2ae3598118d58be01e (diff) | |
| download | gcc-efc9bd412d3e48467658e5e8c5905669f160dc82.zip gcc-efc9bd412d3e48467658e5e8c5905669f160dc82.tar.gz gcc-efc9bd412d3e48467658e5e8c5905669f160dc82.tar.bz2 | |
cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
* cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
* reload.c (find_equiv_reg): Likewise.
* alias.c (init_alias_analysis): Likewise.
Only call prologue_epilogue_contains on insns.
* basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
* bb-reorder.c (hard-reg-set.h): Include earlier.
* haifa-sched.c (hard-reg-set.h): Likewise.
* ifcvt.c (hard-reg-set.h): Likewise.
* local-alloc.c (hard-reg-set.h): Likewise.
* loop.c (hard-reg-set.h): Likewise.
* predict.c (hard-reg-set.h): Likewise.
* regrename.c (hard-reg-set.h): Likewise.
* flow.c (hard-reg-set.h): Likewise.
(reg_set_to_hard_reg_set): New function.
* bitmap.c (regs.h, basic-block.h): No longer include.
(bitmap.h): Now include.
* conflict.c (hard-reg-set.h): Include.
* profile.c (hard-reg-set.h): Likewise.
* print-rtl.c (hard-reg-set.h): Likewise.
* sbitmap.c (hard-reg-set.h): Likewise.
* toplev.c (hard-reg-set.h): Likewise.
* unroll.c (hard-reg-set.h, basic-block.h): Likewise.
* hard-reg-set.h (reg_names): Now constant.
* regs.h (reg_names): Likewise.
* regclass.c (reg_names): Likewise.
* loop.h (basic-block.h): No longer include.
(bitmap.h): Now include.
* reload1.c (order_regs_for_reload): Avoid loop over reg sets.
* Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
(toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
From-SVN: r34039
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index e1f5838..e94a303 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -6032,27 +6032,30 @@ find_equiv_reg (goal, insn, class, other, reload_reg_p, goalreg, mode) /* If we are looking for a constant, and something equivalent to that constant was copied into a reg, we can use that reg. */ - || (goal_const && (tem = find_reg_note (p, REG_EQUIV, - NULL_RTX)) - && rtx_equal_p (XEXP (tem, 0), goal) - && (valueno = true_regnum (valtry = SET_DEST (pat))) >= 0) - || (goal_const && (tem = find_reg_note (p, REG_EQUIV, - NULL_RTX)) - && GET_CODE (SET_DEST (pat)) == REG - && GET_CODE (XEXP (tem, 0)) == CONST_DOUBLE - && GET_MODE_CLASS (GET_MODE (XEXP (tem, 0))) == MODE_FLOAT - && GET_CODE (goal) == CONST_INT - && 0 != (goaltry = operand_subword (XEXP (tem, 0), 0, 0, + || (goal_const && REG_NOTES (p) != 0 + && (tem = find_reg_note (p, REG_EQUIV, NULL_RTX)) + && ((rtx_equal_p (XEXP (tem, 0), goal) + && (valueno + = true_regnum (valtry = SET_DEST (pat))) >= 0) + || (GET_CODE (SET_DEST (pat)) == REG + && GET_CODE (XEXP (tem, 0)) == CONST_DOUBLE + && (GET_MODE_CLASS (GET_MODE (XEXP (tem, 0))) + == MODE_FLOAT) + && GET_CODE (goal) == CONST_INT + && 0 != (goaltry + = operand_subword (XEXP (tem, 0), 0, 0, VOIDmode)) - && rtx_equal_p (goal, goaltry) - && (valtry = operand_subword (SET_DEST (pat), 0, 0, - VOIDmode)) - && (valueno = true_regnum (valtry)) >= 0) + && rtx_equal_p (goal, goaltry) + && (valtry + = operand_subword (SET_DEST (pat), 0, 0, + VOIDmode)) + && (valueno = true_regnum (valtry)) >= 0))) || (goal_const && (tem = find_reg_note (p, REG_EQUIV, NULL_RTX)) && GET_CODE (SET_DEST (pat)) == REG && GET_CODE (XEXP (tem, 0)) == CONST_DOUBLE - && GET_MODE_CLASS (GET_MODE (XEXP (tem, 0))) == MODE_FLOAT + && (GET_MODE_CLASS (GET_MODE (XEXP (tem, 0))) + == MODE_FLOAT) && GET_CODE (goal) == CONST_INT && 0 != (goaltry = operand_subword (XEXP (tem, 0), 1, 0, VOIDmode)) @@ -6081,7 +6084,7 @@ find_equiv_reg (goal, insn, class, other, reload_reg_p, goalreg, mode) /* Don't try to re-use something that is killed in this insn. We want to be able to trust REG_UNUSED notes. */ - if (find_reg_note (where, REG_UNUSED, value)) + if (REG_NOTES (where) != 0 && find_reg_note (where, REG_UNUSED, value)) return 0; /* If we propose to get the value from the stack pointer or if GOAL is |