diff options
| -rw-r--r-- | lib/Target/X86/README.txt | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 6b83d47bce..4005431b75 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -118,66 +118,6 @@ Instead of doing an explicit test, we can use the flags off the sar. This occurs in a bigger testcase like this, which is pretty common: #include <vector> - - -int test1(std::vector<int> &X) { - int Sum = 0; - for (long i = 0, e = X.size(); i != e; ++i) - X[i] = 0; - return Sum; -} -compiles into: - - movq %rsi, %rbx - movl %edi, %r14d - sarl $2, %r14d - testl %r14d, %r14d - je LBB0_2 - -Instead of doing an explicit test, we can use the flags off the sar. This -occurs in a bigger testcase like this, which is pretty common: - -#include <vector> - - -int test1(std::vector<int> &X) { - int Sum = 0; - for (long i = 0, e = X.size(); i != e; ++i) - X[i] = 0; - return Sum; -} -compiles into: - - movq %rsi, %rbx - movl %edi, %r14d - sarl $2, %r14d - testl %r14d, %r14d - je LBB0_2 - -Instead of doing an explicit test, we can use the flags off the sar. This -occurs in a bigger testcase like this, which is pretty common: - -#include <vector> - - -int test1(std::vector<int> &X) { - int Sum = 0; - for (long i = 0, e = X.size(); i != e; ++i) - X[i] = 0; - return Sum; -} -compiles into: - - movq %rsi, %rbx - movl %edi, %r14d - sarl $2, %r14d - testl %r14d, %r14d - je LBB0_2 - -Instead of doing an explicit test, we can use the flags off the sar. This -occurs in a bigger testcase like this, which is pretty common in bootstrap: - -#include <vector> int test1(std::vector<int> &X) { int Sum = 0; for (long i = 0, e = X.size(); i != e; ++i) |