wunpckeh.cgs

来自「这个是LINUX下的GDB调度工具的源码」· CGS 代码 · 共 138 行

# Intel(r) Wireless MMX(tm) technology testcase for WUNPCKEH
# mach: xscale
# as: -mcpu=xscale+iwmmxt

	.include "testutils.inc"

	start

	.global wunpckeh
wunpckeh:
	# Enable access to CoProcessors 0 & 1 before
        # we attempt these instructions.

	mvi_h_gr   r1, 3
	mcr        p15, 0, r1, cr15, cr1, 0

	# Test Unsigned Byte Unpacking
		
	mvi_h_gr   r0, 0x12345687
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0
	mvi_h_gr   r3, 0

	tmcrr	   wr0, r0, r1
	tmcrr	   wr1, r2, r3

	wunpckehub  wr1, wr0
	
	tmrrc	   r0, r1, wr0
	tmrrc	   r2, r3, wr1
	
	test_h_gr  r0, 0x12345687
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x00de00f0
	test_h_gr  r3, 0x009a00bc
		
	# Test Signed Byte Unpacking
		
	mvi_h_gr   r0, 0x12345687
	mvi_h_gr   r1, 0x7abcdef0
	mvi_h_gr   r2, 0
	mvi_h_gr   r3, 0

	tmcrr	   wr0, r0, r1
	tmcrr	   wr1, r2, r3

	wunpckehsb  wr1, wr0
	
	tmrrc	   r0, r1, wr0
	tmrrc	   r2, r3, wr1
	
	test_h_gr  r0, 0x12345687
	test_h_gr  r1, 0x7abcdef0
	test_h_gr  r2, 0xffdefff0
	test_h_gr  r3, 0x007affbc
		
	# Test Unsigned Halfword Unpacking
		
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0
	mvi_h_gr   r3, 0

	tmcrr	   wr0, r0, r1
	tmcrr	   wr1, r2, r3

	wunpckehuh  wr1, wr0
	
	tmrrc	   r0, r1, wr0
	tmrrc	   r2, r3, wr1
	
	test_h_gr  r0, 0x12345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x0000def0
	test_h_gr  r3, 0x00009abc
		
	# Test Signed Halfword Unpacking
		
	mvi_h_gr   r0, 0x12348678
	mvi_h_gr   r1, 0x7abcdef0
	mvi_h_gr   r2, 0
	mvi_h_gr   r3, 0

	tmcrr	   wr0, r0, r1
	tmcrr	   wr1, r2, r3

	wunpckehsh  wr1, wr0
	
	tmrrc	   r0, r1, wr0
	tmrrc	   r2, r3, wr1
	
	test_h_gr  r0, 0x12348678
	test_h_gr  r1, 0x7abcdef0
	test_h_gr  r2, 0xffffdef0
	test_h_gr  r3, 0x00007abc
		
	# Test Unsigned Word Unpacking
		
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0
	mvi_h_gr   r3, 0

	tmcrr	   wr0, r0, r1
	tmcrr	   wr1, r2, r3

	wunpckehuw  wr1, wr0
	
	tmrrc	   r0, r1, wr0
	tmrrc	   r2, r3, wr1
	
	test_h_gr  r0, 0x12345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x9abcdef0
	test_h_gr  r3, 0x00000000
		
	# Test Signed Word Unpacking
		
	mvi_h_gr   r0, 0x82345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0
	mvi_h_gr   r3, 0

	tmcrr	   wr0, r0, r1
	tmcrr	   wr1, r2, r3

	wunpckehsw  wr1, wr0
	
	tmrrc	   r0, r1, wr0
	tmrrc	   r2, r3, wr1
	
	test_h_gr  r0, 0x82345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x9abcdef0
	test_h_gr  r3, 0xffffffff
		
	pass