8224062: Improve String index handling

Reviewed-by: kvn, rhalade, mschoene

8224062: Improve String index handling
Reviewed-by: kvn, rhalade, mschoene
6e09f00a · thartmann · a03049f9 · 6e09f00a
隐藏空白更改
内联并排

Showing with 3 addition and 5 deletion

src/hotspot/cpu/x86/macroAssembler_x86.cpp src/hotspot/cpu/x86/macroAssembler_x86.cpp +3 -5

未找到文件。
--- a/src/hotspot/cpu/x86/macroAssembler_x86.cpp
+++ b/src/hotspot/cpu/x86/macroAssembler_x86.cpp
@@ -6353,7 +6353,7 @@ void MacroAssembler::string_indexof_char(Register str1, Register cnt1, Register
  movptr(result, str1);
  if (UseAVX >= 2) {
    cmpl(cnt1, stride);
-    jcc(Assembler::less, SCAN_TO_CHAR_LOOP);
+    jcc(Assembler::less, SCAN_TO_CHAR);
    cmpl(cnt1, 2*stride);
    jcc(Assembler::less, SCAN_TO_8_CHAR_INIT);
    movdl(vec1, ch);
@@ -6380,10 +6380,8 @@ void MacroAssembler::string_indexof_char(Register str1, Register cnt1, Register
  }
  bind(SCAN_TO_8_CHAR);
  cmpl(cnt1, stride);
-  if (UseAVX >= 2) {
-    jcc(Assembler::less, SCAN_TO_CHAR);
-  } else {
-    jcc(Assembler::less, SCAN_TO_CHAR_LOOP);
+  jcc(Assembler::less, SCAN_TO_CHAR);
+  if (UseAVX < 2) {
    movdl(vec1, ch);
    pshuflw(vec1, vec1, 0x00);
    pshufd(vec1, vec1, 0);