summaryrefslogtreecommitdiffstats
path: root/js/src/jit/mips32/SharedICRegisters-mips32.h
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/jit/mips32/SharedICRegisters-mips32.h')
-rw-r--r--js/src/jit/mips32/SharedICRegisters-mips32.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/jit/mips32/SharedICRegisters-mips32.h b/js/src/jit/mips32/SharedICRegisters-mips32.h
new file mode 100644
index 0000000000..a1017c9399
--- /dev/null
+++ b/js/src/jit/mips32/SharedICRegisters-mips32.h
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_mips32_SharedICRegisters_mips32_h
+#define jit_mips32_SharedICRegisters_mips32_h
+
+#include "jit/mips32/Assembler-mips32.h"
+#include "jit/Registers.h"
+#include "jit/RegisterSets.h"
+
+namespace js {
+namespace jit {
+
+static constexpr ValueOperand R0(a3, a2);
+static constexpr ValueOperand R1(s7, s6);
+static constexpr ValueOperand R2(t7, t6);
+
+// ICTailCallReg and ICStubReg
+// These use registers that are not preserved across calls.
+static constexpr Register ICTailCallReg = ra;
+static constexpr Register ICStubReg = t5;
+
+// Register used internally by MacroAssemblerMIPS.
+static constexpr Register BaselineSecondScratchReg = SecondScratchReg;
+
+// Note that ICTailCallReg is actually just the link register.
+// In MIPS code emission, we do not clobber ICTailCallReg since we keep
+// the return address for calls there.
+
+// FloatReg0 must be equal to ReturnFloatReg.
+static constexpr FloatRegister FloatReg0 = f0;
+static constexpr FloatRegister FloatReg1 = f2;
+static constexpr FloatRegister FloatReg2 = f4;
+static constexpr FloatRegister FloatReg3 = f6;
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_mips32_SharedICRegisters_mips32_h */