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6827605: new String intrinsics may prevent EA scalar replacement

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6875866: Intrinsic for String.indexOf() is broken on x86 with SSE4.2

Modify String intrinsic methods to pass char[] pointers instead of string oops.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2009-09-14 12:14:20 -07:00
parent c492f4cde5
commit 243514d483
13 changed files with 788 additions and 1214 deletions
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14
hotspot/src/cpu/x86/vm/assembler_x86.hpp
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@ -2206,6 +2206,20 @@ public:
void movl2ptr(Register dst, Address src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(movl(dst, src)); }
void movl2ptr(Register dst, Register src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(if (dst != src) movl(dst, src)); }
// IndexOf strings.
void string_indexof(Register str1, Register str2,
Register cnt1, Register cnt2, Register result,
XMMRegister vec, Register tmp);
// Compare strings.
void string_compare(Register str1, Register str2,
Register cnt1, Register cnt2, Register result,
XMMRegister vec1, XMMRegister vec2);
// Compare char[] arrays.
void char_arrays_equals(bool is_array_equ, Register ary1, Register ary2,
Register limit, Register result, Register chr,
XMMRegister vec1, XMMRegister vec2);
#undef VIRTUAL