From e54eea00ecd7d0ad5b0a21cadf98a1b8d19dbc91 Mon Sep 17 00:00:00 2001
From: kickass156 <14991217+Waterman178@users.noreply.github.com>
Date: Sat, 15 Feb 2020 08:11:41 +0800
Subject: [PATCH] The expression(args[i] < 0) always returns false (#1207)

* Update optimize.c

typedef uint64_t tcg_target_ulong;
typedef tcg_target_ulong TCGArg;
TCGArg *args
The expression(args[i] < 0) always returns false

* Update tcg.c

typedef uint64_t tcg_target_ulong;
typedef tcg_target_ulong TCGArg;
TCGArg *args
The expression(args[i] < 0) always returns false
---
 qemu/tcg/optimize.c | 2 +-
 qemu/tcg/tcg.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/qemu/tcg/optimize.c b/qemu/tcg/optimize.c
index fcf7a90a..3316b76c 100644
--- a/qemu/tcg/optimize.c
+++ b/qemu/tcg/optimize.c
@@ -1370,7 +1370,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
             } else {
         do_reset_output:
                 for (i = 0; i < nb_oargs; i++) {
-                    if (args[i] < 0 || args[i] >= TCG_MAX_TEMPS) {
+                    if (args[i] >= TCG_MAX_TEMPS) {
                         continue;
                     }
                     reset_temp(s, args[i]);
diff --git a/qemu/tcg/tcg.c b/qemu/tcg/tcg.c
index b438b7e2..fd0b2871 100644
--- a/qemu/tcg/tcg.c
+++ b/qemu/tcg/tcg.c
@@ -1719,7 +1719,7 @@ static void tcg_liveness_analysis(TCGContext *s)
                implies side effects */
             if (!(def->flags & TCG_OPF_SIDE_EFFECTS) && nb_oargs != 0) {
                 for(i = 0; i < nb_oargs; i++) {
-                    if (args[i] < 0 || args[i] >= TCG_MAX_TEMPS) {
+                    if (args[i] >= TCG_MAX_TEMPS) {
                         continue;
                     }
                     arg = args[i];