6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-15 20:29:48 +00:00
Code Issues Projects Releases Wiki Activity

Minor update.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25263 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-01-13 01:20:42 +00:00
parent fcf39d4589
commit e08c270623
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/Target/X86/README.txt
View File

@ -112,3 +112,12 @@ FP_TO_SINT when the source operand is already in memory.
//===---------------------------------------------------------------------===//
Check if load folding would add a cycle in the dag.
//===---------------------------------------------------------------------===//
Model X86 EFLAGS as a real register to avoid redudant cmp / test. e.g.
cmpl $1, %eax
setg %al
testb %al, %al # unnecessary
jne .BB7