From b2948a2caa8fefecc4c9baba198cacdf9609adc7 Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Thu, 26 Jun 2003 13:42:33 +0000 Subject: [PATCH] postreload.c (reload_cse_simplify_set): Call cselib_lookup earlier. * postreload.c (reload_cse_simplify_set): Call cselib_lookup earlier. Don't check if SRC is a constant. From-SVN: r68533 --- gcc/ChangeLog | 5 +++++ gcc/postreload.c | 10 ++++------ 2 files changed, 9 insertions(+), 6 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ba5cd5bc107..48334d73906 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-06-26 Kazu Hirata + + * postreload.c (reload_cse_simplify_set): Call cselib_lookup + earlier. Don't check if SRC is a constant. + 2003-06-26 Kazu Hirata * Makefile.in (OBJS): Add postreload.o. diff --git a/gcc/postreload.c b/gcc/postreload.c index 78153b64df0..1c53395be32 100644 --- a/gcc/postreload.c +++ b/gcc/postreload.c @@ -246,21 +246,19 @@ reload_cse_simplify_set (set, insn) return 0; #endif + val = cselib_lookup (src, GET_MODE (SET_DEST (set)), 0); + if (! val) + return 0; + /* If memory loads are cheaper than register copies, don't change them. */ if (GET_CODE (src) == MEM) old_cost = MEMORY_MOVE_COST (GET_MODE (src), dclass, 1); - else if (CONSTANT_P (src)) - old_cost = rtx_cost (src, SET); else if (GET_CODE (src) == REG) old_cost = REGISTER_MOVE_COST (GET_MODE (src), REGNO_REG_CLASS (REGNO (src)), dclass); else - /* ??? */ old_cost = rtx_cost (src, SET); - val = cselib_lookup (src, GET_MODE (SET_DEST (set)), 0); - if (! val) - return 0; for (l = val->locs; l; l = l->next) { rtx this_rtx = l->loc; -- 2.30.2