Changes in directory llvm/lib/Target/X86:
README.txt updated: 1.163 -> 1.164
---
Log message:
done
---
Diffs of the changes: (+0 -28)
README.txt | 28 ----------------------------
1 files changed, 28 deletions(-)
Index: llvm/lib/Target/X86/README.txt
diff -u llvm/lib/Target/X86/README.txt:1.163
llvm/lib/Target/X86/README.txt:1.164
--- llvm/lib/Target/X86/README.txt:1.163 Tue Apr 10 16:14:01 2007
+++ llvm/lib/Target/X86/README.txt Wed Apr 11 00:34:00 2007
@@ -1049,31 +1049,3 @@
//===---------------------------------------------------------------------===//
-Consider:
-
-int isnegative(unsigned int X) {
- return !(X < 2147483648U);
-}
-
-We current compile this to:
-
-define i32 @isnegative(i32 %X) {
- icmp slt i32 %X, 0 ; <i1>:0 [#uses=1]
- %retval = zext i1 %0 to i32 ; <i32> [#uses=1]
- ret i32 %retval
-}
-
-and:
-
-_isnegative:
- cmpl $0, 4(%esp)
- sets %al
- movzbl %al, %eax
- ret
-
-We should produce:
-
- movl 4(%esp), %eax
- shrl $31, %eax
- ret
-
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