textrm.cgs

gdb-6.8 Linux下的调试程序 最新版本

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

	.include "testutils.inc"

	start

	.global textrm
textrm:
	# 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 Wide Extraction
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	textrmub   r2, wr0, #3
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0x12345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x00000012
	
	# Test Signed Byte Wide Extraction
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	textrmsb   r2, wr0, #4
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0x12345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0xfffffff0
	
	# Test Unsigned Half Word Wide Extraction
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	textrmuh   r2, wr0, #3
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0x12345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x00009abc
	
	# Test Signed Half Word Wide Extraction
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	textrmsh   r2, wr0, #1
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0x12345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x00001234
	
	# Test Unsigned Word Wide Extraction
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	textrmuw   r2, wr0, #0
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0x12345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x12345678
	
	# Test Signed Word Wide Extraction
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	textrmsw   r2, wr0, #1
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0x12345678
	test_h_gr  r1, 0x9abcdef0
	test_h_gr  r2, 0x9abcdef0
	
	pass