| commit | 5a36bb12fc6aea1dbbb8bdeb98135869f5afd702 | |
| author | Douglas Katzman <dougk@google.com> | |
| Wed, 9 Aug 2017 06:38:55 +0000 (9 02:38 -0400) | ||
| committer | Douglas Katzman <dougk@google.com> | |
| Wed, 9 Aug 2017 06:44:43 +0000 (9 02:44 -0400) | ||
| tree | fa7c1819f29bf7963961bc1e66a927e725239815 | treesnapshot (tar.gz zip) |
| parent | 996ec12814cefe1b9bb646ec3f2bc2c88e327322 | commitdiff |
x86-64: special case alloc_tramp for the commonest target register
It's almost always R11, so rather than push the answer and pop R11,
just move it from RAX to R11, which avoids 1 instruction.
It's almost always R11, so rather than push the answer and pop R11,
just move it from RAX to R11, which avoids 1 instruction.
| src/compiler/x86-64/macros.lisp | diffblobblamehistory | |
| src/runtime/x86-64-assem.S | diffblobblamehistory |