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As recommended by the community, a comma-separated decorators ({k1,z})
and nested braces ({{k1},{z}}) are dropped out. So only standard syntax
is supported from now.
This rework made source code neat and easy to maintain. Most of the codes
for handling corner cases are removed.
Signed-off-by: Jin Kyu Song <jin.kyu.song@intel.com>
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AVX-512 introduced new syntax using braces for decorators.
Opmask, broadcat, rounding control use this new syntax.
http://software.intel.com/sites/default/files/319433-015.pdf
Signed-off-by: Jin Kyu Song <jin.kyu.song@intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
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Use of defined on aggregates (hashes and arrays) is deprecated.
You should instead use a simple test for size.
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This adds copyright verbiage to the Perl scripts. Scripts that are
known to be clean w.r.t. the 2-clause BSD license are given that
license; unclear ones are given the "LGPL for now".
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Correct filename in comment
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"Stealth whitespace" makes it harder to read diffs, and just generally
cause unwanted weirdness. Do a source-wide pass to get rid of it.
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Concentrate compiler dependencies to compiler.h; make sure compiler.h
is included first in every .c file (since some prototypes may depend
on the presence of feature request macros.)
Actually use the conditional inclusion of various functions (totally
broken in previous releases.)
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Use the same crc64 that we already use for the symbol table hash as
the perfect hash function prehash. We appear to get radically faster
convergence this way, and the crc64 is probably *faster*, since the
table likely to be resident in memory.
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Add special operators to allow the use of floating-point constants in
contexts other than DW/DD/DQ/DT/DO.
As part of this checkin, make MAX_KEYWORD generated by tokhash.pl,
since it knows what all the keywords are so it can tell which one is
the longest.
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Allow constants to match only part of the token string.
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Instead of returning -1 from nasm_token_hash, set tv->t_type to
TOKEN_ID and return TOKEN_ID, since that's what stdscan.c wants to do
with it anyway. This allows us to simply tailcall nasm_token_hash().
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Combining arithmetric (add) and bitwise (xor) mixing seems to give
better result than either.
With the new prehash function, we find a valid hash much quicker.
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We have a lot of enumerations; by declaring fields as such, we make it
easier when debugging, since the debugger can display the enumerations
in cleartext. However, make sure exceptional values (like -1) are
included in the enumeration, since the compiler otherwise may not
include it in the valid range of the enumeration.
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Adjust the sizes of data types to reduce the total size of the tokhash
data structure.
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rand() in Perl can vary between platforms, so don't use it. Instead,
remove a completely pointless level of indirection (it introduced a
permutation which cancelled itself out) and provide a canned set of
random numbers for the rest. This guarantees we will always use the
same numbers.
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No functional change
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Speed up the rejection of unhashed values (typically identifiers) by
filling unused hash slots with a large value (but not so large that
it is likely to overflow.) This means those values will be rejected
already by the range check, not needing strcmp().
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For correctness in case of a very "linear" graph, "ix" needs to have
the same width as the "hash" arrays.
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Finish the perfect hash tokenizer, and actually enable it.
Move stdscan() et al to a separate file, since it's not needed in any
of the clients of nasmlib other than nasm itself.
Run make alldeps.
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