diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index a84438f8545..6bec2bddbde 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -4986,6 +4986,42 @@ [(set_attr "type" "fp") (set_attr "isa" "*,")]) +(define_expand "fmod3" + [(use (match_operand:SFDF 0 "gpc_reg_operand")) + (use (match_operand:SFDF 1 "gpc_reg_operand")) + (use (match_operand:SFDF 2 "gpc_reg_operand"))] + "TARGET_HARD_FLOAT + && TARGET_FPRND + && flag_unsafe_math_optimizations" +{ + rtx div = gen_reg_rtx (mode); + emit_insn (gen_div3 (div, operands[1], operands[2])); + + rtx friz = gen_reg_rtx (mode); + emit_insn (gen_btrunc2 (friz, div)); + + emit_insn (gen_nfms4 (operands[0], operands[2], friz, operands[1])); + DONE; + }) + +(define_expand "remainder3" + [(use (match_operand:SFDF 0 "gpc_reg_operand")) + (use (match_operand:SFDF 1 "gpc_reg_operand")) + (use (match_operand:SFDF 2 "gpc_reg_operand"))] + "TARGET_HARD_FLOAT + && TARGET_FPRND + && flag_unsafe_math_optimizations" +{ + rtx div = gen_reg_rtx (mode); + emit_insn (gen_div3 (div, operands[1], operands[2])); + + rtx frin = gen_reg_rtx (mode); + emit_insn (gen_round2 (frin, div)); + + emit_insn (gen_nfms4 (operands[0], operands[2], frin, operands[1])); + DONE; + }) + (define_insn "*rsqrt2" [(set (match_operand:SFDF 0 "gpc_reg_operand" "=,wa") (unspec:SFDF [(match_operand:SFDF 1 "gpc_reg_operand" ",wa")] diff --git a/gcc/testsuite/gcc.target/powerpc/pr97142.c b/gcc/testsuite/gcc.target/powerpc/pr97142.c new file mode 100644 index 00000000000..0e5f1c1f61b --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr97142.c @@ -0,0 +1,35 @@ +/* { dg-do compile } */ +/* { dg-options "-Ofast" } */ + +#include + +float test1 (float x, float y) +{ + return fmodf (x, y); +} + +double test2 (double x, double y) +{ + return fmod (x, y); +} + +float test3 (float x, float y) +{ + return remainderf (x, y); +} + +double test4 (double x, double y) +{ + return remainder (x, y); +} + +/* { dg-final { scan-assembler-not {(?n)\mb.*fmod} } } */ +/* { dg-final { scan-assembler-not {(?n)\mb.*fmodf} } } */ +/* { dg-final { scan-assembler-not {(?n)\mb.*remainder} } } */ +/* { dg-final { scan-assembler-not {(?n)\mb.*remainderf} } } */ +/* { dg-final { scan-assembler-times {\mfdiv\M} 2 } } */ +/* { dg-final { scan-assembler-times {\mfdivs\M} 2 } } */ +/* { dg-final { scan-assembler-times {\mfnmsub\M} 2 } } */ +/* { dg-final { scan-assembler-times {\mfnmsubs\M} 2 } } */ +/* { dg-final { scan-assembler-times {\mfriz\M} 2 } } */ +/* { dg-final { scan-assembler-times {\mfrin\M} 2 } } */