void MacroAssembler::TruncateDoubleToI(Register result,
DoubleRegister double_input) {
Label done;
- DCHECK(jssp.Is(StackPointer()));
// Try to convert the double to an int64. If successful, the bottom 32 bits
// contain our truncated int32 result.
TryConvertDoubleToInt64(result, double_input, &done);
+ const Register old_stack_pointer = StackPointer();
+ if (csp.Is(old_stack_pointer)) {
+ // This currently only happens during compiler-unittest. If it arises
+ // during regular code generation the DoubleToI stub should be updated to
+ // cope with csp and have an extra parameter indicating which stack pointer
+ // it should use.
+ Push(jssp, xzr); // Push xzr to maintain csp required 16-bytes alignment.
+ Mov(jssp, csp);
+ SetStackPointer(jssp);
+ }
+
// If we fell through then inline version didn't succeed - call stub instead.
Push(lr, double_input);
true); // skip_fastpath
CallStub(&stub); // DoubleToIStub preserves any registers it needs to clobber
- Drop(1, kDoubleSize); // Drop the double input on the stack.
- Pop(lr);
+ DCHECK_EQ(xzr.SizeInBytes(), double_input.SizeInBytes());
+ Pop(xzr, lr); // xzr to drop the double input on the stack.
+
+ if (csp.Is(old_stack_pointer)) {
+ Mov(csp, jssp);
+ SetStackPointer(csp);
+ AssertStackConsistency();
+ Pop(xzr, jssp);
+ }
Bind(&done);
}
# BUG(v8:3434).
' test-api/LoadICFastApi_DirectCall_GCMoveStubWithProfiler': [SKIP],
-
- # TODO(rodolph): Please investigate.
- 'test-run-machops/RunTruncateFloat64ToInt32P': [SKIP],
}], # 'arch == arm64'
['arch == arm64 and simulator_run == True', {