348dcbcbd7
Currently, sign-extension (CLTD vs XOR EDX) and signed division (IDIV vs DIV) selected by setting "signed?". See, module/mescc/x86/as.scm. Possibly we need a signed? based on numerator and denominator, and add a extend-sign? based on the signedness of the numerator? * module/mescc/compile.scm (expr->register): Base "signed?" strictly on signedness of numerator. |
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mescc.scm |