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import unittest
from test import equal_codes
from peachpy import *
from peachpy.x86_64 import *
class Empty(unittest.TestCase):
def runTest(self):
with Function("empty", tuple()) as function:
RETURN()
code = function.format()
ref_code = """
void empty()
RETURN
"""
assert equal_codes(code, ref_code), "Unexpected PeachPy code:\n" + code
class ReturnIntegerArgument(unittest.TestCase):
def runTest(self):
n = Argument(uint32_t)
with Function("return_int_arg", (n,), uint32_t) as function:
r_n = GeneralPurposeRegister32()
LOAD.ARGUMENT(r_n, n)
MOV(eax, r_n)
RETURN()
code = function.format()
ref_code = """
uint32_t return_int_arg(uint32_t n)
LOAD.ARGUMENT gp32-vreg<1>, uint32_t n
MOV eax, gp32-vreg<1>
RETURN
"""
assert equal_codes(code, ref_code), "Unexpected PeachPy code:\n" + code
class ReturnFloatArgument(unittest.TestCase):
def runTest(self):
x = Argument(float_)
with Function("return_float_arg", (x,), float_) as function:
xmm_x = XMMRegister()
LOAD.ARGUMENT(xmm_x, x)
MOVSS(xmm0, xmm_x)
RETURN()
code = function.format()
ref_code = """
float return_float_arg(float x)
LOAD.ARGUMENT xmm-vreg<1>, float x
MOVSS xmm0, xmm-vreg<1>
RETURN
"""
assert equal_codes(code, ref_code), "Unexpected PeachPy code:\n" + code
class ReturnDoubleArgument(unittest.TestCase):
def runTest(self):
x = Argument(double_)
with Function("return_float_arg", (x,), double_) as function:
xmm_x = XMMRegister()
LOAD.ARGUMENT(xmm_x, x)
MOVSD(xmm0, xmm_x)
RETURN()
code = function.format()
ref_code = """
double return_float_arg(double x)
LOAD.ARGUMENT xmm-vreg<1>, double x
MOVSD xmm0, xmm-vreg<1>
RETURN
"""
assert equal_codes(code, ref_code), "Unexpected PeachPy code:\n" + code
class ReturnM128Argument(unittest.TestCase):
def runTest(self):
x = Argument(m128)
with Function("return_m128_arg", (x,), m128) as function:
xmm_x = XMMRegister()
LOAD.ARGUMENT(xmm_x, x)
MOVAPS(xmm0, xmm_x)
RETURN()
code = function.format()
ref_code = """
__m128 return_m128_arg(__m128 x)
LOAD.ARGUMENT xmm-vreg<1>, __m128 x
MOVAPS xmm0, xmm-vreg<1>
RETURN
"""
assert equal_codes(code, ref_code), "Unexpected PeachPy code:\n" + code
class ComputeIntegerSum(unittest.TestCase):
def runTest(self):
x = Argument(uint32_t)
y = Argument(uint32_t)
with Function("integer_sum", (x, y), uint32_t) as function:
r_x = GeneralPurposeRegister32()
r_y = GeneralPurposeRegister32()
LOAD.ARGUMENT(r_x, x)
LOAD.ARGUMENT(r_y, y)
ADD(r_x, r_y)
MOV(eax, r_x)
RETURN()
code = function.format()
ref_code = """
uint32_t integer_sum(uint32_t x, uint32_t y)
LOAD.ARGUMENT gp32-vreg<1>, uint32_t x
LOAD.ARGUMENT gp32-vreg<2>, uint32_t y
ADD gp32-vreg<1>, gp32-vreg<2>
MOV eax, gp32-vreg<1>
RETURN
"""
assert equal_codes(code, ref_code), "Unexpected PeachPy code:\n" + code
class ComputeIntegerSumWithLocalVariable(unittest.TestCase):
def runTest(self):
x = Argument(uint32_t)
y = Argument(uint32_t)
with Function("integer_sum", (x, y), uint32_t) as function:
r_x = GeneralPurposeRegister32()
r_x_temp = GeneralPurposeRegister32()
r_y = GeneralPurposeRegister32()
buffer = LocalVariable(4)
LOAD.ARGUMENT(r_x, x)
LOAD.ARGUMENT(r_y, y)
MOV(buffer, r_x)
MOV(r_x_temp, buffer)
ADD(r_x_temp, r_y)
MOV(eax, r_x_temp)
RETURN()
code = function.format()
ref_code = """
uint32_t integer_sum(uint32_t x, uint32_t y)
LOAD.ARGUMENT gp32-vreg<1>, uint32_t x
LOAD.ARGUMENT gp32-vreg<3>, uint32_t y
MOV dword [rsp], gp32-vreg<1>
MOV gp32-vreg<2>, dword [rsp]
ADD gp32-vreg<2>, gp32-vreg<3>
MOV eax, gp32-vreg<2>
RETURN
"""
assert equal_codes(code, ref_code), "Unexpected PeachPy code:\n" + code
class SimpleLoop(unittest.TestCase):
def runTest(self):
x = Argument(ptr(const_float_))
y = Argument(ptr(float_))
length = Argument(size_t)
with Function("square", (x, y, length)) as function:
r_x = GeneralPurposeRegister64()
r_y = GeneralPurposeRegister64()
r_length = GeneralPurposeRegister64()
LOAD.ARGUMENT(r_x, x)
LOAD.ARGUMENT(r_y, y)
LOAD.ARGUMENT(r_length, length)
with Loop() as loop:
xmm_value = XMMRegister()
MOVSS(xmm_value, [r_x])
MULSS(xmm_value, xmm_value)
MOVSS([r_y], xmm_value)
SUB(r_length, 1)
JNZ(loop.begin)
RETURN()
code = function.format()
ref_code = """
void square(const float* x, float* y, size_t length)
LOAD.ARGUMENT gp64-vreg<1>, const float* x
LOAD.ARGUMENT gp64-vreg<2>, float* y
LOAD.ARGUMENT gp64-vreg<3>, size_t length
loop.begin:
MOVSS xmm-vreg<1>, [gp64-vreg<1>]
MULSS xmm-vreg<1>, xmm-vreg<1>
MOVSS [gp64-vreg<2>], xmm-vreg<1>
SUB gp64-vreg<3>, 1
JNZ loop.begin
RETURN
"""
assert equal_codes(code, ref_code), "Unexpected PeachPy code:\n" + code
# class SSEArgument(unittest.TestCase):
# def runTest(self):
#
# x_arg = Argument(m128d)
#
# # This optimized kernel will target Intel Nehalem processors. Any instructions which are not
# # supported on Intel Nehalem (e.g. AVX instructions) will generate an error. If you don't have
# # a particular target in mind, use "Unknown"
# with Function("_mm_sqr_pd", (x_arg,), abi=ABI.SystemV, report_generation=False) as add_function:
# x = SSERegister()
# LOAD.ARGUMENT(x, x_arg)
#
# MULPD(x, x)
# MOVAPD(xmm0, x)
#
# RETURN()
#
# print add_function.assembly
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