------- 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