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tcg: Rename and adjust liveness_pass_1 helpers 

No need for a "tcg_" prefix for a static function; we already
have another "la_" prefix for indicating liveness analysis.
Pass in nb_globals and nb_temps, as we will already have them
in registers for other loops within the parent function.

Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2018-11-27 13:37:24 -08:00
parent 152c35aab4
commit 2616c80821
1 changed files with 5 additions and 8 deletions
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13
tcg/tcg.c
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@ -2367,10 +2367,8 @@ static void reachable_code_pass(TCGContext *s)
/* liveness analysis: end of function: all temps are dead, and globals
should be in memory. */
static void tcg_la_func_end(TCGContext *s)
static void la_func_end(TCGContext *s, int ng, int nt)
{
int ng = s->nb_globals;
int nt = s->nb_temps;
int i;
for (i = 0; i < ng; ++i) {
@ -2383,10 +2381,8 @@ static void tcg_la_func_end(TCGContext *s)
/* liveness analysis: end of basic block: all temps are dead, globals
and local temps should be in memory. */
static void tcg_la_bb_end(TCGContext *s)
static void la_bb_end(TCGContext *s, int ng, int nt)
{
int ng = s->nb_globals;
int nt = s->nb_temps;
int i;
for (i = 0; i < ng; ++i) {
@ -2405,9 +2401,10 @@ static void tcg_la_bb_end(TCGContext *s)
static void liveness_pass_1(TCGContext *s)
{
int nb_globals = s->nb_globals;
int nb_temps = s->nb_temps;
TCGOp *op, *op_prev;
tcg_la_func_end(s);
la_func_end(s, nb_globals, nb_temps);
QTAILQ_FOREACH_REVERSE_SAFE(op, &s->ops, TCGOpHead, link, op_prev) {
int i, nb_iargs, nb_oargs;
@ -2602,7 +2599,7 @@ static void liveness_pass_1(TCGContext *s)
/* if end of basic block, update */
if (def->flags & TCG_OPF_BB_END) {
tcg_la_bb_end(s);
la_bb_end(s, nb_globals, nb_temps);
} else if (def->flags & TCG_OPF_SIDE_EFFECTS) {
/* globals should be synced to memory */
for (i = 0; i < nb_globals; i++) {