libretro/ppsspp
1
0
Fork 0
mirror of https://github.com/libretro/ppsspp.git synced 2024-11-23 16:19:44 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

armjit: Fix ANDI2R() clearing low bits incorrectly.

Browse Source
This commit is contained in:
Unknown W. Brackets 2013-11-11 19:07:16 -08:00
parent d50b01a778
commit 1a98691c57
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Common/ArmEmitter.cpp
View File

@ -189,7 +189,7 @@ void ARMXEmitter::ANDI2R(ARMReg rd, ARMReg rs, u32 val, ARMReg scratch)
} else {
int ops = 0;
for (int i = 0; i < 32; i += 2) {
u8 bits = (val >> i) & 0xFF;
u8 bits = RotR(val, i) & 0xFF;
// If either low bit is not set, we need to use a BIC for them.
if ((bits & 3) != 3) {
++ops;
@ -201,7 +201,7 @@ void ARMXEmitter::ANDI2R(ARMReg rd, ARMReg rs, u32 val, ARMReg scratch)
if (ops <= 3 || !cpu_info.bArmV7) {
bool first = true;
for (int i = 0; i < 32; i += 2) {
u8 bits = (val >> i) & 0xFF;
u8 bits = RotR(val, i) & 0xFF;
if ((bits & 3) != 3) {
u8 rotation = i == 0 ? 0 : 16 - i / 2;
if (first) {
@ -255,7 +255,7 @@ void ARMXEmitter::ORI2R(ARMReg rd, ARMReg rs, u32 val, ARMReg scratch)
} else {
int ops = 0;
for (int i = 0; i < 32; i += 2) {
u8 bits = (val >> i) & 0xFF;
u8 bits = RotR(val, i) & 0xFF;
// If either low bit is set, we need to use a ORR for them.
if ((bits & 3) != 0) {
++ops;
@ -271,7 +271,7 @@ void ARMXEmitter::ORI2R(ARMReg rd, ARMReg rs, u32 val, ARMReg scratch)
} else if (ops <= 3 || !cpu_info.bArmV7) {
bool first = true;
for (int i = 0; i < 32; i += 2) {
u8 bits = (val >> i) & 0xFF;
u8 bits = RotR(val, i) & 0xFF;
if ((bits & 3) != 0) {
u8 rotation = i == 0 ? 0 : 16 - i / 2;
if (first) {