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* 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
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