On 2013/07/05 12:23:37, danno wrote:
Im not sure about this. Isn't there something else we need, like "Format"
that
implies a specific, more generic representation? When we load a byte or
short
from a buffer, the representation that is output is the same (the compiler
only
has int32), but the format in memory is different and needs to be handled
by
the
load/store differently.
We need to add representations for signed and unsigned bytes and shorts, and
conversions between them. Then we can pattern match at the lithium
generation of
loads and stores and elide the sign/zero extensions of those
representations.
This CL is a first step to getting the representation directly into the
access.
https://codereview.chromium.org/18503006/
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