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gh-87092: move CFG related code from compile.c to flowgraph.c (#103021)

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Irit Katriel 2023-03-31 18:17:59 +01:00 • committed by GitHub
parent b0422e140d
commit 80163e17d3
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14 changed files with 2484 additions and 2399 deletions
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95
Include/internal/pycore_opcode_utils.h Normal file
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#ifndef Py_INTERNAL_OPCODE_UTILS_H
#define Py_INTERNAL_OPCODE_UTILS_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_opcode.h" // _PyOpcode_RelativeJump
#define MAX_REAL_OPCODE 254
#define IS_WITHIN_OPCODE_RANGE(opcode) \
(((opcode) >= 0 && (opcode) <= MAX_REAL_OPCODE) || \
IS_PSEUDO_OPCODE(opcode))
#define IS_JUMP_OPCODE(opcode) \
is_bit_set_in_table(_PyOpcode_Jump, opcode)
#define IS_BLOCK_PUSH_OPCODE(opcode) \
((opcode) == SETUP_FINALLY || \
(opcode) == SETUP_WITH || \
(opcode) == SETUP_CLEANUP)
#define HAS_TARGET(opcode) \
(IS_JUMP_OPCODE(opcode) || IS_BLOCK_PUSH_OPCODE(opcode))
/* opcodes that must be last in the basicblock */
#define IS_TERMINATOR_OPCODE(opcode) \
(IS_JUMP_OPCODE(opcode) || IS_SCOPE_EXIT_OPCODE(opcode))
/* opcodes which are not emitted in codegen stage, only by the assembler */
#define IS_ASSEMBLER_OPCODE(opcode) \
((opcode) == JUMP_FORWARD || \
(opcode) == JUMP_BACKWARD || \
(opcode) == JUMP_BACKWARD_NO_INTERRUPT)
#define IS_BACKWARDS_JUMP_OPCODE(opcode) \
((opcode) == JUMP_BACKWARD || \
(opcode) == JUMP_BACKWARD_NO_INTERRUPT)
#define IS_UNCONDITIONAL_JUMP_OPCODE(opcode) \
((opcode) == JUMP || \
(opcode) == JUMP_NO_INTERRUPT || \
(opcode) == JUMP_FORWARD || \
(opcode) == JUMP_BACKWARD || \
(opcode) == JUMP_BACKWARD_NO_INTERRUPT)
#define IS_SCOPE_EXIT_OPCODE(opcode) \
((opcode) == RETURN_VALUE || \
(opcode) == RETURN_CONST || \
(opcode) == RAISE_VARARGS || \
(opcode) == RERAISE)
#define IS_SUPERINSTRUCTION_OPCODE(opcode) \
((opcode) == LOAD_FAST__LOAD_FAST || \
(opcode) == LOAD_FAST__LOAD_CONST || \
(opcode) == LOAD_CONST__LOAD_FAST || \
(opcode) == STORE_FAST__LOAD_FAST || \
(opcode) == STORE_FAST__STORE_FAST)
#define LOG_BITS_PER_INT 5
#define MASK_LOW_LOG_BITS 31
static inline int
is_bit_set_in_table(const uint32_t *table, int bitindex) {
/* Is the relevant bit set in the relevant word? */
/* 512 bits fit into 9 32-bits words.
* Word is indexed by (bitindex>>ln(size of int in bits)).
* Bit within word is the low bits of bitindex.
*/
if (bitindex >= 0 && bitindex < 512) {
uint32_t word = table[bitindex >> LOG_BITS_PER_INT];
return (word >> (bitindex & MASK_LOW_LOG_BITS)) & 1;
}
else {
return 0;
}
}
#undef LOG_BITS_PER_INT
#undef MASK_LOW_LOG_BITS
#define IS_RELATIVE_JUMP(opcode) (is_bit_set_in_table(_PyOpcode_RelativeJump, opcode))
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_OPCODE_UTILS_H */