tbcst.cgs

来自「这个是LINUX下的GDB调度工具的源码」· CGS 代码 · 共 66 行

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

	.include "testutils.inc"

	start

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

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

	# Test Byte Wide Broadcast
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	tbcstb     wr0, r2
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0xffffffff
	test_h_gr  r1, 0xffffffff
	test_h_gr  r2, 0x111111ff
	
	# Test Half Word Wide Broadcast
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	tbcsth     wr0, r2
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0x11ff11ff
	test_h_gr  r1, 0x11ff11ff
	test_h_gr  r2, 0x111111ff
	
	# Test Word Wide Broadcast
	
	mvi_h_gr   r0, 0x12345678
	mvi_h_gr   r1, 0x9abcdef0
	mvi_h_gr   r2, 0x111111ff

	tmcrr	   wr0, r0, r1

	tbcstw     wr0, r2
	
	tmrrc	   r0, r1, wr0
	
	test_h_gr  r0, 0x111111ff
	test_h_gr  r1, 0x111111ff
	test_h_gr  r2, 0x111111ff
	
	pass