X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fusing.xml;h=329c31fffc08945540e3b42b6f7a810b0451b74d;hb=335b9f366ac440259318777c4c07e4fa42fbbec6;hp=5ad34faf5385acf0dcea828c981bf4889e45826a;hpb=53628e913632cac29d54da914040e39add334784;p=ghc-hetmet.git
diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index 5ad34fa..329c31f 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -1667,6 +1667,26 @@ f "2" = 2
+
+
+
+
+ Turns off the float-in transformation.
+
+
+
+
+
+
+
+
+
+ Turns off the automatic specialisation of overloaded functions.
+
+
+
+
+
@@ -2054,9 +2074,27 @@ f "2" = 2
+ :
+
+
+ (x86 only, added in GHC 6.14.1) Use the SSE2 registers and
+ instruction set to implement floating point operations
+ when using the native code generator. This gives a
+ substantial performance improvement for floating point,
+ but the resulting compiled code will only run on
+ processors that support SSE2 (Intel Pentium 4 and later,
+ or AMD Athlon 64 and later).
+
+
+ SSE2 is unconditionally used on x86-64 platforms.
+
+
+
+
+ :
- (iX86 machines)-monly-N-regs
+ (x86 only)-monly-N-regs
option (iX86 only) GHC tries to
“steal” four registers from GCC, for performance
reasons; it almost always works. However, when GCC is