archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-19 10:34:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86

Browse source 
Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.

Reviewed-by: roland
This commit is contained in:
Vladimir Kozlov 2013-01-22 15:34:16 -08:00
parent 44cdae9a57
commit 9e0c61f822
19 changed files with 663 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

4
hotspot/src/cpu/x86/vm/assembler_x86.hpp
View file

@ -1395,6 +1395,10 @@ private:
// Pack with unsigned saturation
void packuswb(XMMRegister dst, XMMRegister src);
void packuswb(XMMRegister dst, Address src);
void vpackuswb(XMMRegister dst, XMMRegister nds, XMMRegister src, bool vector256);
// Pemutation of 64bit words
void vpermq(XMMRegister dst, XMMRegister src, int imm8, bool vector256);
// SSE4.2 string instructions
void pcmpestri(XMMRegister xmm1, XMMRegister xmm2, int imm8);