fneg.cgs

gdb-6.8 Linux下的调试程序 最新版本

# sh testcase for fneg -*- Asm -*-
# mach: all
# as: -isa=shcompact
# ld: -m shelf32

	.include "compact/testutils.inc"

	start

	# neg(0.0) = 0.0.
	fldi0 fr0
	fldi0 fr1
	fneg fr0
	fcmp/eq fr0, fr1
	bf wrong

	# neg(1.0) = fsub(0,1)
	fldi1 fr0
	fneg fr0
	fldi0 fr1
	fldi1 fr2
	fsub fr2, fr1
	fcmp/eq fr0, fr1
	bf wrong
	
	# neg(neg(1.0)) = 1.0.
	fldi1 fr0
	fldi1 fr1
	fneg fr0
	fneg fr0
	fcmp/eq fr0, fr1
	bf wrong

	bra double
	nop

wrong:
	fail

double:
	# neg(0.0) = 0.0.
	fldi0 fr0
	fldi0 fr2
	_s2d fr0, dr0
	_s2d fr2, dr2
	_setpr
	fneg dr0
	fcmp/eq dr0, dr2
	bf wrong2
	_clrpr

	# neg(1.0) = fsub(0,1)
	fldi1 fr0
	_s2d fr0, dr0
	_setpr
	fneg dr0
	_clrpr
	fldi0 fr2
	fldi1 fr3
	fsub fr3, fr2
	_s2d fr2, dr2
	_setpr
	fcmp/eq fr0, fr2
	bf wrong2
	_clrpr
	
	# neg(neg(1.0)) = 1.0.
	fldi1 fr0
	_s2d fr0, dr0
	fldi1 fr2
	_s2d fr2, dr2
	_setpr
	fneg dr0
	fneg dr2
	fcmp/eq dr0, dr2
	bf wrong2
	_clrpr
		
okay:
	pass

wrong2:	
	fail