X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2Fgmp%2Fmpn%2Fx86%2FREADME;fp=ghc%2Frts%2Fgmp%2Fmpn%2Fx86%2FREADME;h=0000000000000000000000000000000000000000;hb=0065d5ab628975892cea1ec7303f968c3338cbe1;hp=3507548b8cd4224c22f2596dc89276d9421049df;hpb=28a464a75e14cece5db40f2765a29348273ff2d2;p=ghc-hetmet.git

diff --git a/ghc/rts/gmp/mpn/x86/README b/ghc/rts/gmp/mpn/x86/README
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-
-                      X86 MPN SUBROUTINES
-
-
-This directory contains mpn functions for various 80x86 chips.
-
-
-CODE ORGANIZATION
-
-	x86              i386, i486, generic
-	x86/pentium      Intel Pentium (P5, P54)
-	x86/pentium/mmx  Intel Pentium with MMX (P55)
-	x86/p6           Intel Pentium Pro
-	x86/p6/mmx       Intel Pentium II, III
-	x86/p6/p3mmx     Intel Pentium III
-	x86/k6           AMD K6, K6-2, K6-3
-	x86/k6/mmx
-	x86/k6/k62mmx    AMD K6-2
-	x86/k7           AMD Athlon
-	x86/k7/mmx
-
-
-The x86 directory is also the main support for P6 at the moment, and
-is something of a blended style, meant to be reasonable on all x86s.
-
-	
-
-STATUS
-
-The code is well-optimized for AMD and Intel chips, but not so well
-optimized for Cyrix chips.
-
-
-
-RELEVANT OPTIMIZATION ISSUES
-
-For implementations with slow double shift instructions (SHLD and
-SHRD), it might be better to mimic their operation with SHL+SHR+OR.
-(M2 is likely to benefit from that, but not Pentium due to its slow
-plain SHL and SHR.)