Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r91604:9a5adcd4d3ff
Date: 2017-06-14 13:37 +0200
http://bitbucket.org/pypy/pypy/changeset/9a5adcd4d3ff/
Log: Avoid one instruction in the endless stream of header/footer
instructions
diff --git a/rpython/jit/backend/x86/assembler.py
b/rpython/jit/backend/x86/assembler.py
--- a/rpython/jit/backend/x86/assembler.py
+++ b/rpython/jit/backend/x86/assembler.py
@@ -980,7 +980,8 @@
from rpython.rlib.rvmprof.rvmprof import cintf
# edx = address of pypy_threadlocal_s
self.mc.MOV_rs(edx.value, THREADLOCAL_OFS)
- self.mc.AND_ri(edx.value, ~1)
+ if self._is_asmgcc():
+ self.mc.AND_ri(edx.value, ~1)
# eax = (our local vmprof_tl_stack).next
self.mc.MOV_rs(eax.value, (FRAME_FIXED_SIZE - 4 + 0) * WORD)
# save in vmprof_tl_stack the value eax
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