diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/README.txt | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 46f31164d5..08b5875c57 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -702,28 +702,6 @@ The add\sub pair is really unneeded here. //===---------------------------------------------------------------------===// -We currently compile sign_extend_inreg into two shifts: - -long foo(long X) { - return (long)(signed char)X; -} - -becomes: - -_foo: - movl 4(%esp), %eax - shll $24, %eax - sarl $24, %eax - ret - -This could be: - -_foo: - movsbl 4(%esp),%eax - ret - -//===---------------------------------------------------------------------===// - Consider the expansion of: uint %test3(uint %X) { |