From 8e7d7f3d2e103c34bbb28afe1338107b9fd824f0 Mon Sep 17 00:00:00 2001 From: Mahesh Bodapati Date: Tue, 16 Apr 2019 17:20:24 +0530 Subject: [PATCH 58/63] Reverting the patch as kernel boot is not working with this patch CR-1026413 Revert "[Patch,Microblaze]:reverting the cost check before propagating constants." This reverts commit 7156e379a67fa47a5fb9ede1448c0d528dbda65b. --- gcc/cprop.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/gcc/cprop.c b/gcc/cprop.c index 42bcc81..65c0130 100644 --- a/gcc/cprop.c +++ b/gcc/cprop.c @@ -733,7 +733,6 @@ try_replace_reg (rtx from, rtx to, rtx_insn *insn) int success = 0; rtx set = single_set (insn); -#if 0 bool check_rtx_costs = true; bool speed = optimize_bb_for_speed_p (BLOCK_FOR_INSN (insn)); int old_cost = set ? set_rtx_cost (set, speed) : 0; @@ -745,7 +744,6 @@ try_replace_reg (rtx from, rtx to, rtx_insn *insn) && (GET_CODE (XEXP (note, 0)) == CONST || CONSTANT_P (XEXP (note, 0))))) check_rtx_costs = false; -#endif /* Usually we substitute easy stuff, so we won't copy everything. We however need to take care to not duplicate non-trivial CONST @@ -754,7 +752,6 @@ try_replace_reg (rtx from, rtx to, rtx_insn *insn) validate_replace_src_group (from, to, insn); -#if 0 /* If TO is a constant, check the cost of the set after propagation to the cost of the set before the propagation. If the cost is higher, then do not replace FROM with TO. */ @@ -767,7 +764,6 @@ try_replace_reg (rtx from, rtx to, rtx_insn *insn) return false; } -#endif if (num_changes_pending () && apply_change_group ()) success = 1; -- 2.7.4