From: Torok Edwin <edwintorok@gmail.com>
Date: Fri, 20 Feb 2009 18:42:06 +0000 (+0000)
Subject: add note about sin
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=474479fce79e8d042bfbab2b8d021e9354fa4760;p=oota-llvm.git

add note about sin


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65137 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 78dcb12581c..09e5433578c 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -1689,3 +1689,18 @@ for next field in struct (which is at same address).
 For example: store of float into { {{}}, float } could be turned into a store to
 the float directly.
 
+//===---------------------------------------------------------------------===//
+#include <math.h>
+double foo(double a) {    return sin(a); }
+
+This compiles into this on x86-64 Linux:
+foo:
+	subq	$8, %rsp
+	call	sin
+	addq	$8, %rsp
+	ret
+vs:
+
+foo:
+        jmp sin
+