From 85bd166647e7f260fd665eb44da9151c0d88f208 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Magnus=20L=C3=A5ng?= Date: Sat, 28 May 2016 20:22:34 +0200 Subject: hipe: Add hipe_regalloc_prepass hipe_regalloc_prepass speeds up register allocation by spilling any temp that is live over a call (which clobbers all register). In order to detect these, a new function was added to the target interface; defines_all_alloc/1, that takes an instruction and returns a boolean. --- lib/hipe/ppc/hipe_ppc_defuse.erl | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'lib/hipe/ppc/hipe_ppc_defuse.erl') diff --git a/lib/hipe/ppc/hipe_ppc_defuse.erl b/lib/hipe/ppc/hipe_ppc_defuse.erl index 77b84dc574..305e88488d 100644 --- a/lib/hipe/ppc/hipe_ppc_defuse.erl +++ b/lib/hipe/ppc/hipe_ppc_defuse.erl @@ -22,6 +22,7 @@ -module(hipe_ppc_defuse). -export([insn_def_all/1, insn_use_all/1]). -export([insn_def_gpr/1, insn_use_gpr/1]). +-export([insn_defs_all_gpr/1, insn_defs_all_fpr/1]). -export([insn_def_fpr/1, insn_use_fpr/1]). -include("hipe_ppc.hrl"). @@ -52,6 +53,9 @@ insn_def_gpr(I) -> _ -> [] end. +insn_defs_all_gpr(#pseudo_call{}) -> true; +insn_defs_all_gpr(_) -> false. + call_clobbered_gpr() -> [hipe_ppc:mk_temp(R, T) || {R,T} <- hipe_ppc_registers:call_clobbered() ++ all_fp_pseudos()]. @@ -116,6 +120,9 @@ insn_def_fpr(I) -> _ -> [] end. +insn_defs_all_fpr(#pseudo_call{}) -> true; +insn_defs_all_fpr(_) -> false. + call_clobbered_fpr() -> [hipe_ppc:mk_temp(R, 'double') || R <- hipe_ppc_registers:allocatable_fpr()]. -- cgit v1.2.3