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8143219: AArch64 broken by 8141132: JEP 254: Compact Strings

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Reviewed-by: kvn
This commit is contained in:
Andrew Haley 2015-11-26 10:38:33 +00:00
parent 5820fb001a
commit 0c98a6a1d7
1 changed files with 5 additions and 0 deletions
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5
hotspot/src/cpu/aarch64/vm/aarch64.ad
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@ -14299,6 +14299,9 @@ instruct string_compare(iRegP_R1 str1, iRegI_R2 cnt1, iRegP_R3 str2, iRegI_R4 cn
format %{ "String Compare $str1,$cnt1,$str2,$cnt2 -> $result # KILL $tmp1" %}
ins_encode %{
// Count is in 8-bit bytes; non-Compact chars are 16 bits.
__ asrw($cnt1$$Register, $cnt1$$Register, 1);
__ asrw($cnt2$$Register, $cnt2$$Register, 1);
__ string_compare($str1$$Register, $str2$$Register,
$cnt1$$Register, $cnt2$$Register, $result$$Register,
$tmp1$$Register);
@ -14355,6 +14358,8 @@ instruct string_equals(iRegP_R1 str1, iRegP_R3 str2, iRegI_R4 cnt,
format %{ "String Equals $str1,$str2,$cnt -> $result // KILL $tmp" %}
ins_encode %{
// Count is in 8-bit bytes; non-Compact chars are 16 bits.
__ asrw($cnt$$Register, $cnt$$Register, 1);
__ string_equals($str1$$Register, $str2$$Register,
$cnt$$Register, $result$$Register,
$tmp$$Register);