From da29e0700f78da1fc757ca9af99b316b236dd03b Mon Sep 17 00:00:00 2001 From: Eric Botcazou Date: Sun, 3 Apr 2011 09:19:26 +0000 Subject: [PATCH] * combine.c (try_combine): Remove useless local variable. From-SVN: r171901 --- gcc/ChangeLog | 4 ++++ gcc/combine.c | 22 ++++++---------------- 2 files changed, 10 insertions(+), 16 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index faa7dab8da3..e746e1d043a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2011-04-03 Eric Botcazou + + * combine.c (try_combine): Remove useless local variable. + 2011-04-03 Richard Guenther Ira Rosen diff --git a/gcc/combine.c b/gcc/combine.c index 60bd9eedd55..37236ccf701 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3974,7 +3974,6 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p) rtx i3links, i2links, i1links = 0, i0links = 0; rtx midnotes = 0; int from_luid; - unsigned int regno; /* Compute which registers we expect to eliminate. newi2pat may be setting either i3dest or i2dest, so we must check it. Also, i1dest may be the same as i3dest, in which case newi2pat may be setting i1dest. */ @@ -4232,8 +4231,7 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p) if (REG_P (i2dest)) { - rtx link; - rtx i2_insn = 0, i2_val = 0, set; + rtx link, i2_insn = 0, i2_val = 0, set; /* The insn that used to set this register doesn't exist, and this life of the register may not exist either. See if one of @@ -4242,7 +4240,6 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p) this and I2 set the register to a value that depended on its old contents, we will get confused. If this insn is used, thing will be set correctly in combine_instructions. */ - for (link = LOG_LINKS (i3); link; link = XEXP (link, 1)) if ((set = single_set (XEXP (link, 0))) != 0 && rtx_equal_p (i2dest, SET_DEST (set))) @@ -4255,16 +4252,12 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p) if (! added_sets_2 && (newi2pat == 0 || ! reg_mentioned_p (i2dest, newi2pat)) && ! i2dest_in_i2src) - { - regno = REGNO (i2dest); - INC_REG_N_SETS (regno, -1); - } + INC_REG_N_SETS (REGNO (i2dest), -1); } if (i1 && REG_P (i1dest)) { - rtx link; - rtx i1_insn = 0, i1_val = 0, set; + rtx link, i1_insn = 0, i1_val = 0, set; for (link = LOG_LINKS (i3); link; link = XEXP (link, 1)) if ((set = single_set (XEXP (link, 0))) != 0 @@ -4273,15 +4266,13 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p) record_value_for_reg (i1dest, i1_insn, i1_val); - regno = REGNO (i1dest); if (! added_sets_1 && ! i1dest_in_i1src) - INC_REG_N_SETS (regno, -1); + INC_REG_N_SETS (REGNO (i1dest), -1); } if (i0 && REG_P (i0dest)) { - rtx link; - rtx i0_insn = 0, i0_val = 0, set; + rtx link, i0_insn = 0, i0_val = 0, set; for (link = LOG_LINKS (i3); link; link = XEXP (link, 1)) if ((set = single_set (XEXP (link, 0))) != 0 @@ -4290,9 +4281,8 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p) record_value_for_reg (i0dest, i0_insn, i0_val); - regno = REGNO (i0dest); if (! added_sets_0 && ! i0dest_in_i0src) - INC_REG_N_SETS (regno, -1); + INC_REG_N_SETS (REGNO (i0dest), -1); } /* Update reg_stat[].nonzero_bits et al for any changes that may have -- 2.30.2