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Rework so that the ctzsi builtin is supported.

This commit is contained in:
matt 2014-08-17 16:25:21 +00:00
parent d28139700f
commit 7b338264bf
2 changed files with 5 additions and 4 deletions
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8
external/gpl3/gcc/dist/gcc/config/vax/builtins.md vendored
View File

@ -37,17 +37,17 @@
"
{
rtx label = gen_label_rtx ();
emit_insn (gen_ffssi2_internal (operands[0], operands[1]));
emit_insn (gen_ctzsi2 (operands[0], operands[1]));
emit_jump_insn (gen_condjump (gen_rtx_NE(VOIDmode, cc0_rtx, const0_rtx), label));
emit_insn (gen_negsi2 (operands[0], const1_rtx));
emit_move_insn (operands[0], constm1_rtx);
emit_label (label);
emit_insn (gen_addsi3 (operands[0], operands[0], const1_rtx));
DONE;
}")
(define_insn "ffssi2_internal"
(define_insn "ctzsi2"
[(set (match_operand:SI 0 "nonimmediate_operand" "=rQ")
(ffs:SI (match_operand:SI 1 "general_operand" "nrmT")))
(ctz:SI (match_operand:SI 1 "general_operand" "nrmT")))
(set (cc0) (match_dup 0))]
""
"ffs $0,$32,%1,%0")

1
external/gpl3/gcc/dist/gcc/config/vax/vax.c vendored
View File

@ -1117,6 +1117,7 @@ vax_notice_update_cc (rtx exp, rtx insn ATTRIBUTE_UNUSED)
case IOR:
case XOR:
case NOT:
case CTZ:
case MEM:
case REG:
cc_status.flags = CC_NO_OVERFLOW;