------- Comment #19 from dorit at il dot ibm dot com 2007-06-29 16:46 ------- testing this patch for Altivec:
Index: config/rs6000/altivec.md =================================================================== *** config/rs6000/altivec.md (revision 126053) --- config/rs6000/altivec.md (working copy) *************** *** 147,152 **** --- 147,156 ---- (UNSPEC_VPERMHI 321) (UNSPEC_INTERHI 322) (UNSPEC_INTERLO 323) + (UNSPEC_VUPKHS_V4SF 324) + (UNSPEC_VUPKLS_V4SF 325) + (UNSPEC_VUPKHU_V4SF 326) + (UNSPEC_VUPKLU_V4SF 327) ]) (define_constants *************** *** 2933,2935 **** --- 2937,2995 ---- emit_insn (gen_altivec_vmrgl<VI_char> (operands[0], operands[1], operands[2])); DONE; }") + + (define_expand "vec_unpacks_float_hi_v8hi" + [(set (match_operand:V4SF 0 "register_operand" "") + (unspec:V4SF [(match_operand:V8HI 1 "register_operand" "")] + UNSPEC_VUPKHS_V4SF))] + "TARGET_ALTIVEC" + " + { + rtx tmp = gen_reg_rtx (V4SImode); + + emit_insn (gen_vec_unpacks_hi_v8hi (tmp, operands[1])); + emit_insn (gen_altivec_vcfsx (operands[0], tmp, const0_rtx)); + DONE; + }") + + (define_expand "vec_unpacks_float_lo_v8hi" + [(set (match_operand:V4SF 0 "register_operand" "") + (unspec:V4SF [(match_operand:V8HI 1 "register_operand" "")] + UNSPEC_VUPKLS_V4SF))] + "TARGET_ALTIVEC" + " + { + rtx tmp = gen_reg_rtx (V4SImode); + + emit_insn (gen_vec_unpacks_lo_v8hi (tmp, operands[1])); + emit_insn (gen_altivec_vcfsx (operands[0], tmp, const0_rtx)); + DONE; + }") + + (define_expand "vec_unpacku_float_hi_v8hi" + [(set (match_operand:V4SF 0 "register_operand" "") + (unspec:V4SF [(match_operand:V8HI 1 "register_operand" "")] + UNSPEC_VUPKHU_V4SF))] + "TARGET_ALTIVEC" + " + { + rtx tmp = gen_reg_rtx (V4SImode); + + emit_insn (gen_vec_unpacku_hi_v8hi (tmp, operands[1])); + emit_insn (gen_altivec_vcfux (operands[0], tmp, const0_rtx)); + DONE; + }") + + (define_expand "vec_unpacku_float_lo_v8hi" + [(set (match_operand:V4SF 0 "register_operand" "") + (unspec:V4SF [(match_operand:V8HI 1 "register_operand" "")] + UNSPEC_VUPKLU_V4SF))] + "TARGET_ALTIVEC" + " + { + rtx tmp = gen_reg_rtx (V4SImode); + + emit_insn (gen_vec_unpacku_lo_v8hi (tmp, operands[1])); + emit_insn (gen_altivec_vcfux (operands[0], tmp, const0_rtx)); + DONE; + }") -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24659