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authorRichard Henderson <rth@twiddle.net>2014-03-30 16:51:54 -0700
committerRichard Henderson <rth@twiddle.net>2015-02-12 21:21:38 -0800
commit0c627cdca20155753a536c51385abb73941a59a0 (patch)
tree3dd962f8a65c7734c193590f661387fcb9fb804e /tcg/optimize.c
parentc45cb8bb89fc798489869982c4c463b26ce43d7b (diff)
tcg: Remove opcodes instead of noping them out
With the linked list scheme we need not leave nops in the stream that we need to process later. Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/optimize.c')
-rw-r--r--tcg/optimize.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c
index f2b8acf1e0..973fbb4729 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -758,7 +758,7 @@ static void tcg_constant_folding(TCGContext *s)
break;
do_mov3:
if (temps_are_copies(args[0], args[1])) {
- op->opc = INDEX_op_nop;
+ tcg_op_remove(s, op);
} else {
tcg_opt_gen_mov(s, op, args, opc, args[0], args[1]);
}
@@ -916,7 +916,7 @@ static void tcg_constant_folding(TCGContext *s)
if (affected == 0) {
assert(nb_oargs == 1);
if (temps_are_copies(args[0], args[1])) {
- op->opc = INDEX_op_nop;
+ tcg_op_remove(s, op);
} else if (temps[args[1]].state != TCG_TEMP_CONST) {
tcg_opt_gen_mov(s, op, args, opc, args[0], args[1]);
} else {
@@ -948,7 +948,7 @@ static void tcg_constant_folding(TCGContext *s)
CASE_OP_32_64(and):
if (temps_are_copies(args[1], args[2])) {
if (temps_are_copies(args[0], args[1])) {
- op->opc = INDEX_op_nop;
+ tcg_op_remove(s, op);
} else {
tcg_opt_gen_mov(s, op, args, opc, args[0], args[1]);
}
@@ -979,7 +979,7 @@ static void tcg_constant_folding(TCGContext *s)
switch (opc) {
CASE_OP_32_64(mov):
if (temps_are_copies(args[0], args[1])) {
- op->opc = INDEX_op_nop;
+ tcg_op_remove(s, op);
break;
}
if (temps[args[1]].state != TCG_TEMP_CONST) {
@@ -1074,7 +1074,7 @@ static void tcg_constant_folding(TCGContext *s)
op->opc = INDEX_op_br;
args[0] = args[3];
} else {
- op->opc = INDEX_op_nop;
+ tcg_op_remove(s, op);
}
break;
}
@@ -1084,7 +1084,7 @@ static void tcg_constant_folding(TCGContext *s)
tmp = do_constant_folding_cond(opc, args[1], args[2], args[5]);
if (tmp != 2) {
if (temps_are_copies(args[0], args[4-tmp])) {
- op->opc = INDEX_op_nop;
+ tcg_op_remove(s, op);
} else if (temps[args[4-tmp]].state == TCG_TEMP_CONST) {
tcg_opt_gen_movi(s, op, args, opc,
args[0], temps[args[4-tmp]].val);
@@ -1177,7 +1177,7 @@ static void tcg_constant_folding(TCGContext *s)
args[0] = args[5];
} else {
do_brcond_false:
- op->opc = INDEX_op_nop;
+ tcg_op_remove(s, op);
}
} else if ((args[4] == TCG_COND_LT || args[4] == TCG_COND_GE)
&& temps[args[2]].state == TCG_TEMP_CONST