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authorBjörn Gustavsson <[email protected]>2017-08-17 06:49:22 +0200
committerBjörn Gustavsson <[email protected]>2017-08-23 05:57:38 +0200
commitcbeeed095739223a425649f6085b6959ad905c83 (patch)
treeed58bc08a28edf53172656d36acb528a014b348d /erts/emulator/beam/beam_emu.c
parent7f7905f653170daf8a185636329701486fec4ad8 (diff)
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beam_makeops: Introduce the new type 'W' (machine word)
As a preparation for potentially improving packing in the future, we will need to make sure that packable types have a defined maximum size. The packer algorithm assumes that two 'I' operands can be packed into one 64-bit word, but there are instructions that use an 'I' operand to store a pointer. It only works because those instructions are not packed for other reasons. Introduce the 'W' type and use it for operands that don't fit in 32 bits.
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