[optimizing compiler] Add CMP{L,G}_{FLOAT,DOUBLE}
Adds:
- float comparison for arm, x86, x86_64 backends.
- ucomis{s,d} assembly to x86 and x86_64.
- vmstat assebmly for thumb2
- new assembly tests
Change-Id: Ie3e19d0c08b3b875cd0a4be4ee4e9c8a4a076290
diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index a297ea3..b118f9a 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -613,6 +613,23 @@
}
+void X86Assembler::ucomiss(XmmRegister a, XmmRegister b) {
+ AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+ EmitUint8(0x0F);
+ EmitUint8(0x2E);
+ EmitXmmRegisterOperand(a, b);
+}
+
+
+void X86Assembler::ucomisd(XmmRegister a, XmmRegister b) {
+ AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+ EmitUint8(0x66);
+ EmitUint8(0x0F);
+ EmitUint8(0x2E);
+ EmitXmmRegisterOperand(a, b);
+}
+
+
void X86Assembler::sqrtsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);