Version 2.2.18
Added API functions to retrieve information on indexed properties managed by the embedding layer. Fixes bug 737.
Make ES5 Object.defineProperty support array elements. Fixes bug 619.
Add heap profiling to the API.
Remove old named property query from the API.
Incremental performance improvements.
git-svn-id: http://v8.googlecode.com/svn/trunk@4875 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 6292b58..9bbc31f 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -216,6 +216,60 @@
}
+void MacroAssembler::And(Register dst, Register src1, const Operand& src2,
+ Condition cond) {
+ if (!CpuFeatures::IsSupported(ARMv7) || src2.is_single_instruction()) {
+ and_(dst, src1, src2, LeaveCC, cond);
+ return;
+ }
+ int32_t immediate = src2.immediate();
+ if (immediate == 0) {
+ mov(dst, Operand(0), LeaveCC, cond);
+ return;
+ }
+ if (IsPowerOf2(immediate + 1) && ((immediate & 1) != 0)) {
+ ubfx(dst, src1, 0, WhichPowerOf2(immediate + 1), cond);
+ return;
+ }
+ and_(dst, src1, src2, LeaveCC, cond);
+}
+
+
+void MacroAssembler::Ubfx(Register dst, Register src1, int lsb, int width,
+ Condition cond) {
+ ASSERT(lsb < 32);
+ if (!CpuFeatures::IsSupported(ARMv7)) {
+ int mask = (1 << (width + lsb)) - 1 - ((1 << lsb) - 1);
+ and_(dst, src1, Operand(mask), LeaveCC, cond);
+ if (lsb != 0) {
+ mov(dst, Operand(dst, LSR, lsb), LeaveCC, cond);
+ }
+ } else {
+ ubfx(dst, src1, lsb, width, cond);
+ }
+}
+
+
+void MacroAssembler::Sbfx(Register dst, Register src1, int lsb, int width,
+ Condition cond) {
+ ASSERT(lsb < 32);
+ if (!CpuFeatures::IsSupported(ARMv7)) {
+ int mask = (1 << (width + lsb)) - 1 - ((1 << lsb) - 1);
+ and_(dst, src1, Operand(mask), LeaveCC, cond);
+ int shift_up = 32 - lsb - width;
+ int shift_down = lsb + shift_up;
+ if (shift_up != 0) {
+ mov(dst, Operand(dst, LSL, shift_up), LeaveCC, cond);
+ }
+ if (shift_down != 0) {
+ mov(dst, Operand(dst, ASR, shift_down), LeaveCC, cond);
+ }
+ } else {
+ sbfx(dst, src1, lsb, width, cond);
+ }
+}
+
+
void MacroAssembler::SmiJumpTable(Register index, Vector<Label*> targets) {
// Empty the const pool.
CheckConstPool(true, true);