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Perform build and magnum tuning

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Building o//third_party/python now takes 5 seconds on my PC

This change works towards modifying Python to use runtime dispatching
when appropriate. For example, when loading the magnums in the socket
module, it's a good idea to check if the magnum is zero, because that
means the local system platform doesn't support it.
This commit is contained in:
Justine Tunney 2021-08-10 10:26:13 -07:00
parent ee7e296339
commit d26d7ae0e4
1028 changed files with 6576 additions and 172777 deletions
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56
third_party/python/Modules/cjkcodecs/emu_jisx0213_2000.inc vendored Normal file
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/* clang-format off */
/* These routines may be quite inefficient, but it's used only to emulate old
* standards. */
#ifndef EMULATE_JISX0213_2000_ENCODE_INVALID
# define EMULATE_JISX0213_2000_ENCODE_INVALID 1
#endif
#define EMULATE_JISX0213_2000_ENCODE_BMP(assi, c) \
if (config == (void *)2000 && ( \
(c) == 0x9B1C || (c) == 0x4FF1 || \
(c) == 0x525D || (c) == 0x541E || \
(c) == 0x5653 || (c) == 0x59F8 || \
(c) == 0x5C5B || (c) == 0x5E77 || \
(c) == 0x7626 || (c) == 0x7E6B)) { \
return EMULATE_JISX0213_2000_ENCODE_INVALID; \
} \
else if (config == (void *)2000 && (c) == 0x9B1D) { \
(assi) = 0x8000 | 0x7d3b; \
}
#define EMULATE_JISX0213_2000_ENCODE_EMP(assi, c) \
if (config == (void *)2000 && (c) == 0x20B9F) { \
return EMULATE_JISX0213_2000_ENCODE_INVALID; \
}
#ifndef EMULATE_JISX0213_2000_DECODE_INVALID
# define EMULATE_JISX0213_2000_DECODE_INVALID 2
#endif
#define EMULATE_JISX0213_2000_DECODE_PLANE1(assi, c1, c2) \
if (config == (void *)2000 && \
(((c1) == 0x2E && (c2) == 0x21) || \
((c1) == 0x2F && (c2) == 0x7E) || \
((c1) == 0x4F && (c2) == 0x54) || \
((c1) == 0x4F && (c2) == 0x7E) || \
((c1) == 0x74 && (c2) == 0x27) || \
((c1) == 0x7E && (c2) == 0x7A) || \
((c1) == 0x7E && (c2) == 0x7B) || \
((c1) == 0x7E && (c2) == 0x7C) || \
((c1) == 0x7E && (c2) == 0x7D) || \
((c1) == 0x7E && (c2) == 0x7E))) { \
return EMULATE_JISX0213_2000_DECODE_INVALID; \
}
#define EMULATE_JISX0213_2000_DECODE_PLANE2(writer, c1, c2) \
if (config == (void *)2000 && (c1) == 0x7D && (c2) == 0x3B) { \
OUTCHAR(0x9B1D); \
}
#define EMULATE_JISX0213_2000_DECODE_PLANE2_CHAR(assi, c1, c2) \
if (config == (void *)2000 && (c1) == 0x7D && (c2) == 0x3B) { \
(assi) = 0x9B1D; \
}