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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-27 15:57:18 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-27 15:57:18 +0200
commitd990d8ab2cade6c928e8bbe56ae038d020cef599 (patch)
treec7561ae0f303cb0d4a7a7507178531b4852e4dea /js/src/jit/BaselineCompiler.cpp
parent0c36b27511c1fbca594f0426c493ef601fda3e4c (diff)
parent8d5ec757ece850fb7ad5c712868f305636e41177 (diff)
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Merge branch 'master' of https://github.com/MoonchildProductions/UXP into js_array_values_1
Diffstat (limited to 'js/src/jit/BaselineCompiler.cpp')
-rw-r--r--js/src/jit/BaselineCompiler.cpp95
1 files changed, 93 insertions, 2 deletions
diff --git a/js/src/jit/BaselineCompiler.cpp b/js/src/jit/BaselineCompiler.cpp
index c58367aa3..3fa5a80ed 100644
--- a/js/src/jit/BaselineCompiler.cpp
+++ b/js/src/jit/BaselineCompiler.cpp
@@ -9,6 +9,8 @@
#include "mozilla/Casting.h"
#include "mozilla/SizePrintfMacros.h"
+#include "jsfun.h"
+
#include "jit/BaselineIC.h"
#include "jit/BaselineJIT.h"
#include "jit/FixedList.h"
@@ -1061,6 +1063,12 @@ BaselineCompiler::emit_JSOP_NOP_DESTRUCTURING()
}
bool
+BaselineCompiler::emit_JSOP_TRY_DESTRUCTURING_ITERCLOSE()
+{
+ return true;
+}
+
+bool
BaselineCompiler::emit_JSOP_LABEL()
{
return true;
@@ -1145,7 +1153,7 @@ BaselineCompiler::emit_JSOP_PICK()
// after : A B D E C
// First, move value at -(amount + 1) into R0.
- int depth = -(GET_INT8(pc) + 1);
+ int32_t depth = -(GET_INT8(pc) + 1);
masm.loadValue(frame.addressOfStackValue(frame.peek(depth)), R0);
// Move the other values down.
@@ -1164,6 +1172,34 @@ BaselineCompiler::emit_JSOP_PICK()
}
bool
+BaselineCompiler::emit_JSOP_UNPICK()
+{
+ frame.syncStack(0);
+
+ // Pick takes the top of the stack value and moves it under the nth value.
+ // For instance, unpick 2:
+ // before: A B C D E
+ // after : A B E C D
+
+ // First, move value at -1 into R0.
+ masm.loadValue(frame.addressOfStackValue(frame.peek(-1)), R0);
+
+ // Move the other values up.
+ int32_t depth = -(GET_INT8(pc) + 1);
+ for (int32_t i = -1; i > depth; i--) {
+ Address source = frame.addressOfStackValue(frame.peek(i - 1));
+ Address dest = frame.addressOfStackValue(frame.peek(i));
+ masm.loadValue(source, R1);
+ masm.storeValue(R1, dest);
+ }
+
+ // Store R0 under the nth value.
+ Address dest = frame.addressOfStackValue(frame.peek(depth));
+ masm.storeValue(R0, dest);
+ return true;
+}
+
+bool
BaselineCompiler::emit_JSOP_GOTO()
{
frame.syncStack(0);
@@ -1351,6 +1387,26 @@ BaselineCompiler::emit_JSOP_CHECKISOBJ()
return true;
}
+typedef bool (*CheckIsCallableFn)(JSContext*, HandleValue, CheckIsCallableKind);
+static const VMFunction CheckIsCallableInfo =
+ FunctionInfo<CheckIsCallableFn>(CheckIsCallable, "CheckIsCallable");
+
+bool
+BaselineCompiler::emit_JSOP_CHECKISCALLABLE()
+{
+ frame.syncStack(0);
+ masm.loadValue(frame.addressOfStackValue(frame.peek(-1)), R0);
+
+ prepareVMCall();
+
+ pushArg(Imm32(GET_UINT8(pc)));
+ pushArg(R0);
+ if (!callVM(CheckIsCallableInfo))
+ return false;
+
+ return true;
+}
+
typedef bool (*ThrowUninitializedThisFn)(JSContext*, BaselineFrame* frame);
static const VMFunction ThrowUninitializedThisInfo =
FunctionInfo<ThrowUninitializedThisFn>(BaselineThrowUninitializedThis,
@@ -1681,6 +1737,29 @@ BaselineCompiler::emit_JSOP_LAMBDA_ARROW()
return true;
}
+typedef bool (*SetFunNameFn)(JSContext*, HandleFunction, HandleValue, FunctionPrefixKind);
+static const VMFunction SetFunNameInfo =
+ FunctionInfo<SetFunNameFn>(js::SetFunctionNameIfNoOwnName, "SetFunName");
+
+bool
+BaselineCompiler::emit_JSOP_SETFUNNAME()
+{
+ frame.popRegsAndSync(2);
+
+ frame.push(R0);
+ frame.syncStack(0);
+
+ FunctionPrefixKind prefixKind = FunctionPrefixKind(GET_UINT8(pc));
+ masm.unboxObject(R0, R0.scratchReg());
+
+ prepareVMCall();
+
+ pushArg(Imm32(int32_t(prefixKind)));
+ pushArg(R1);
+ pushArg(R0.scratchReg());
+ return callVM(SetFunNameInfo);
+}
+
void
BaselineCompiler::storeValue(const StackValue* source, const Address& dest,
const ValueOperand& scratch)
@@ -3922,7 +4001,7 @@ BaselineCompiler::emit_JSOP_MOREITER()
}
bool
-BaselineCompiler::emit_JSOP_ISNOITER()
+BaselineCompiler::emitIsMagicValue()
{
frame.syncStack(0);
@@ -3941,6 +4020,12 @@ BaselineCompiler::emit_JSOP_ISNOITER()
}
bool
+BaselineCompiler::emit_JSOP_ISNOITER()
+{
+ return emitIsMagicValue();
+}
+
+bool
BaselineCompiler::emit_JSOP_ENDITER()
{
if (!emit_JSOP_JUMPTARGET())
@@ -3952,6 +4037,12 @@ BaselineCompiler::emit_JSOP_ENDITER()
}
bool
+BaselineCompiler::emit_JSOP_ISGENCLOSING()
+{
+ return emitIsMagicValue();
+}
+
+bool
BaselineCompiler::emit_JSOP_GETRVAL()
{
frame.syncStack(0);