rs6000.c (rs6000_generate_compare): Condition choice of e500 comparison instructions...

rs6000.c (rs6000_generate_compare): Condition choice of e500 comparison instructions on flag_finite_math_only &&...

	* config/rs6000/rs6000.c (rs6000_generate_compare): Condition
	choice of e500 comparison instructions on flag_finite_math_only &&
	!flag_trapping_math, not flag_unsafe_math_optimizations.
	* config/rs6000/rs6000.md (abstf2): Condition choice of e500
	instructions on flag_finite_math_only && !flag_trapping_math, not
	flag_unsafe_math_optimizations.
	(bltgt, sltgt): Disable for TARGET_HARD_FLOAT && !TARGET_FPRS.
	* config/rs6000/spe.md (cmpsfeq_gpr, tstsfeq_gpr, cmpsfgt_gpr,
	tstsfgt_gpr, cmpsflt_gpr, tstsflt_gpr, cmpdfeq_gpr, tstdfeq_gpr,
	cmpdfgt_gpr, tstdfgt_gpr, cmpdflt_gpr, tstdflt_gpr, cmptfeq_gpr,
	tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
	Condition choice of comparison instructions on
	flag_finite_math_only && !flag_trapping_math, not
	flag_unsafe_math_optimizations.

From-SVN: r142822