Diff of /sml/trunk/src/MLRISC/x86/instructions/x86FreqProps.sml

Parent Directory | Revision Log | Patch

	revision 428, Wed Sep 8 09:47:00 1999 UTC	revision 469, Wed Nov 10 22:42:52 1999 UTC
#	Line 8	Line 8
8
9	structure I = X86Instr	structure I = X86Instr
10
11	fun branchProb(I.ANNOTATION{a=BasicAnnotations.BRANCH_PROB b,...}) = b	fun branchProb(I.ANNOTATION{a, i, ...}) =
12	| branchProb(I.ANNOTATION{i,...}) = branchProb i	(case #peek BasicAnnotations.BRANCH_PROB a of
13		SOME b => b
14		| NONE => branchProb i
15		)
16	| branchProb(I.JCC{cond=I.EQ,...}) = 10	| branchProb(I.JCC{cond=I.EQ,...}) = 10
17	| branchProb(I.JCC{cond=I.O,...}) = 0 (* overflow *)	| branchProb(I.JCC{cond=I.O,...}) = 0 (* overflow *)
18	| branchProb(I.JCC{cond=I.NE,...}) = 90	| branchProb(I.JCC{cond=I.NE,...}) = 90

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