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Mirror of https://github.com/RPCS3/llvm-mirror
024a1c1a46
struct S { unsigned int i : 6, j : 11, k : 15; } b; void plus2 (unsigned int x) { b.j += x; } to: plus2: mov %EAX, DWORD PTR [b] mov %ECX, %EAX and %ECX, 131008 mov %EDX, DWORD PTR [%ESP + 4] shl %EDX, 6 add %EDX, %ECX and %EDX, 131008 and %EAX, -131009 or %EDX, %EAX mov DWORD PTR [b], %EDX ret instead of: plus2: mov %EAX, DWORD PTR [b] mov %ECX, %EAX shr %ECX, 6 and %ECX, 2047 add %ECX, DWORD PTR [%ESP + 4] shl %ECX, 6 and %ECX, 131008 and %EAX, -131009 or %ECX, %EAX mov DWORD PTR [b], %ECX ret llvm-svn: 23385 |
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autoconf | ||
docs | ||
examples | ||
include/llvm | ||
lib | ||
projects | ||
runtime | ||
test | ||
tools | ||
utils | ||
win32 | ||
Xcode | ||
.cvsignore | ||
configure | ||
CREDITS.TXT | ||
LICENSE.TXT | ||
llvm.spec | ||
Makefile | ||
Makefile.common | ||
Makefile.config.in | ||
Makefile.rules | ||
README.txt |
Low Level Virtual Machine (LLVM) ================================ This directory and its subdirectories contain source code for the Low Level Virtual Machine, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the HTML documentation provided in docs/index.html for further assistance with LLVM.