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8284863: riscv: missing side effect for result in instruct vcount_positives

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Reviewed-by: fyang, shade
This commit is contained in:
Feilong Jiang 2022-04-15 06:12:48 +00:00 committed by Fei Yang
parent d970820616
commit ea0706de82
2 changed files with 5 additions and 2 deletions
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2
src/hotspot/cpu/riscv/c2_MacroAssembler_riscv.cpp
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@ -1546,6 +1546,8 @@ void C2_MacroAssembler::count_positives_v(Register ary, Register len, Register r
Label LOOP, SET_RESULT, DONE;
BLOCK_COMMENT("count_positives_v {");
assert_different_registers(ary, len, result, tmp);
mv(result, zr);
bind(LOOP);

5
src/hotspot/cpu/riscv/riscv_v.ad
View File

@ -1993,11 +1993,12 @@ instruct vstring_compress(iRegP_R12 src, iRegP_R11 dst, iRegI_R13 len, iRegI_R10
ins_pipe( pipe_slow );
%}
instruct vcount_positives(iRegP_R11 ary, iRegI_R12 len, iRegI_R10 result, iRegL tmp)
instruct vcount_positives(iRegP_R11 ary, iRegI_R12 len, iRegI_R10 result,
vReg_V1 v1, vReg_V2 v2, vReg_V3 v3, iRegL tmp)
%{
predicate(UseRVV);
match(Set result (CountPositives ary len));
effect(USE_KILL ary, USE_KILL len, TEMP tmp);
effect(TEMP_DEF result, USE_KILL ary, USE_KILL len, TEMP v1, TEMP v2, TEMP v3, TEMP tmp);
format %{ "count positives byte[] $ary, $len -> $result" %}
ins_encode %{