projects / sbcl.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 2db542f) | patch
1.0.37.58: micro-optimize x86 lowtag testing
authorNathan Froyd <froydnj@cs.rice.edu>
Sun, 18 Apr 2010 19:28:02 +0000 (19:28 +0000)
committerNathan Froyd <froydnj@cs.rice.edu>
Sun, 18 Apr 2010 19:28:02 +0000 (19:28 +0000)
commite832f8694dff1aa86664554f35ac625561dcbd96
tree67e0a08c2a62016586b143607a4ffe19cb8fffe0tree | snapshot
parent2db542f484283726e64dd4606e7a0f74b9b228eecommit | diff
1.0.37.58: micro-optimize x86 lowtag testing

Instead of MOV/AND/CMP, use LEA/TEST, which is one byte shorter.

Delete AL-LOADED in %TEST-LOWTAG and %TEST-HEADERS as well, since that
parameter is unused and attempting to make the above optimization work
in the face of that option would be tricky.
src/compiler/x86/type-vops.lisp diff | blob | history
version.lisp-expr diff | blob | history
Mirror of Steel Bank Common Lisp SBCL's official repository