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bpo-46841: Move the cache for LOAD_GLOBAL inline. (GH-31575)

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Mark Shannon 2022-02-28 12:56:29 +00:00 • committed by GitHub
parent da7d99a4de
commit 4558af5a8f
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10 changed files with 284 additions and 232 deletions
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17
Tools/scripts/generate_opcode_h.py
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@ -36,7 +36,7 @@ def write_int_array_from_ops(name, ops, out):
bits = 0
for op in ops:
bits |= 1<<op
out.write(f"static uint32_t {name}[8] = {{\n")
out.write(f"static const uint32_t {name}[8] = {{\n")
for i in range(8):
out.write(f" {bits & UINT32_MASK}U,\n")
bits >>= 32
@ -75,9 +75,16 @@ def main(opcode_py, outfile='Include/opcode.h'):
fobj.write(DEFINE.format(name, next_op))
used[next_op] = True
fobj.write(DEFINE.format('DO_TRACING', 255))
fobj.write("#ifdef NEED_OPCODE_JUMP_TABLES\n")
fobj.write("\nextern const uint8_t _PyOpcode_InlineCacheEntries[256];\n")
fobj.write("\n#ifdef NEED_OPCODE_TABLES\n")
write_int_array_from_ops("_PyOpcode_RelativeJump", opcode['hasjrel'], fobj)
write_int_array_from_ops("_PyOpcode_Jump", opcode['hasjrel'] + opcode['hasjabs'], fobj)
fobj.write("\nconst uint8_t _PyOpcode_InlineCacheEntries[256] = {\n")
for i, entries in enumerate(opcode["_inline_cache_entries"]):
if entries:
fobj.write(f" [{opname[i]}] = {entries},\n")
fobj.write("};\n")
fobj.write("#endif /* OPCODE_TABLES */\n")
fobj.write("\n")
@ -90,12 +97,6 @@ def main(opcode_py, outfile='Include/opcode.h'):
for i, (op, _) in enumerate(opcode["_nb_ops"]):
fobj.write(DEFINE.format(op, i))
fobj.write("\nstatic const uint8_t _PyOpcode_InlineCacheEntries[256] = {\n")
for i, entries in enumerate(opcode["_inline_cache_entries"]):
if entries:
fobj.write(f" [{opname[i]}] = {entries},\n")
fobj.write("};\n")
fobj.write(footer)