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2015-09-15jez becomes jnz, complete cmp+jmp contractionQuentin Carbonneaux
2015-09-15split cmp in two sizesQuentin Carbonneaux
2015-09-15fix two bugs in iselQuentin Carbonneaux
2015-09-15quick fix for comparisons with constantsQuentin Carbonneaux
2015-09-15start work on comparisonsQuentin Carbonneaux
There are two things I overlooked so far. 1. Binary instructions like cmp that do not have a result in registers need the size suffix sometimes, for example when comparing a spill location with a constant. 2. The register allocator needs to be adapted to support the comparison instruction: it is not possible to compare two spill locations without using a register.