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fix putint (too eager optimization broke it)

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This commit is contained in:
Torsten Ruger
2014-06-12 13:47:06 +03:00
parent 506f98da5a
commit 8da1bc4645
3 changed files with 16 additions and 6 deletions
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2
lib/arm/arm_machine.rb
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@ -110,6 +110,7 @@ module Arm
# Note about division: devision is MUCH more expensive than one would have thought
# And coding it is a bit of a mind leap: it's all about finding a a result that gets the
# remainder smaller than an int. i'll post some links sometime. This is from the arm manual
tmp = function.new_local
function.instance_eval do
sub( remainder , number , 10 )
sub( number , number , number , shift_lsr: 2)
@ -117,7 +118,6 @@ module Arm
add( number , number , number , shift_lsr: 8)
add( number , number , number , shift_lsr: 16)
mov( number , number , shift_lsr: 3)
tmp = function.new_local
add( tmp , number , number , shift_lsl: 2)
sub( remainder , remainder , tmp , shift_lsl: 1 , update_status: 1)
add( number , number, 1 , condition_code: :pl )