archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-18 10:04:42 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7059034: Use movxtod/movdtox on T4

Browse source 
Use new VIS3 mov instructions on T4 for move data between general and float registers.

Reviewed-by: never, twisti
This commit is contained in:
Vladimir Kozlov 2011-07-08 09:38:48 -07:00
parent 9120c1e85c
commit 20a26c54cd
4 changed files with 407 additions and 216 deletions
Download patch file Download diff file Expand all files Collapse all files

12
hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
View file

@ -144,6 +144,18 @@ void VM_Version::initialize() {
// buf is started with ", " or is empty
_features_str = strdup(strlen(buf) > 2 ? buf + 2 : buf);
// UseVIS is set to the smallest of what hardware supports and what
// the command line requires. I.e., you cannot set UseVIS to 3 on
// older UltraSparc which do not support it.
if (UseVIS > 3) UseVIS=3;
if (UseVIS < 0) UseVIS=0;
if (!has_vis3()) // Drop to 2 if no VIS3 support
UseVIS = MIN2((intx)2,UseVIS);
if (!has_vis2()) // Drop to 1 if no VIS2 support
UseVIS = MIN2((intx)1,UseVIS);
if (!has_vis1()) // Drop to 0 if no VIS1 support
UseVIS = 0;
#ifndef PRODUCT
if (PrintMiscellaneous && Verbose) {
tty->print("Allocation: ");