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author
Chris Lattner
<sabre@nondot.org>
Fri, 2 Dec 2005 00:11:20 +0000
(
00:11
+0000)
committer
Chris Lattner
<sabre@nondot.org>
Fri, 2 Dec 2005 00:11:20 +0000
(
00:11
+0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24572
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/README.txt
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diff --git
a/lib/Target/X86/README.txt
b/lib/Target/X86/README.txt
index c9f23d598be5be31d889b4501ec6ebc422217f82..57aec86d2e5a7427589dd777da65d2d8f8052f0c 100644
(file)
--- a/
lib/Target/X86/README.txt
+++ b/
lib/Target/X86/README.txt
@@
-12,6
+12,12
@@
long long test(long long X, long long Y) { return X*Y; }
by using the EAX result from the mul. We should add a similar node for
DIVREM.
+another case is:
+
+long long test(int X, int Y) { return (long long)X*Y; }
+
+... which should only be one imul instruction.
+
//===---------------------------------------------------------------------===//
This should be one DIV/IDIV instruction, not a libcall: