Mercurial > hg > truffle
diff src/share/vm/includeDB_compiler1 @ 1398:314e17ca2c23
6946892: c1 shouldn't sign-extend to upper 32bits on x64
Summary: c1 does sign-extension when it loads ints and shorts from memory to 64-bit registers. This causes problems for c2 because it relies on the fact the int passed in a 64-bit register is zero-extended.
Reviewed-by: never
author | iveresov |
---|---|
date | Tue, 27 Apr 2010 11:19:12 -0700 |
parents | 3cf667df43ef |
children | 35069ca331f2 c18cbe5936b8 |