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Made VM helper functions into inline functions. GH-2
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@nthnn
nthnn committed Mar 6, 2024
1 parent 7aace55 commit 51a358c
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Showing 2 changed files with 70 additions and 120 deletions.
104 changes: 0 additions & 104 deletions src/rishka_vm_helper.cpp
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86 changes: 70 additions & 16 deletions src/rishka_vm_helper.h
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,9 @@
* @param addr The memory address to read from.
* @return The 8-bit signed integer value read from the memory address.
*/
int8_t rishka_vm_read_i8(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr);
inline int8_t rishka_vm_read_i8(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr) {
return (int8_t)(*(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr]));
}

/**
* @brief Reads a 16-bit signed integer from the specified memory address.
Expand All @@ -59,7 +61,9 @@ int8_t rishka_vm_read_i8(rishka_virtual_machine* vm, rishka_nil_type type, uint6
* @param addr The memory address to read from.
* @return The 16-bit signed integer value read from the memory address.
*/
int16_t rishka_vm_read_i16(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr);
inline int16_t rishka_vm_read_i16(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr) {
return (int16_t)(*(rishka_u16ptr)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr]));
}

/**
* @brief Reads a 32-bit signed integer from the specified memory address.
Expand All @@ -73,7 +77,9 @@ int16_t rishka_vm_read_i16(rishka_virtual_machine* vm, rishka_nil_type type, uin
* @param addr The memory address to read from.
* @return The 32-bit signed integer value read from the memory address.
*/
int32_t rishka_vm_read_i32(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr);
inline int32_t rishka_vm_read_i32(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr) {
return (int32_t)(*(rishka_u32ptr)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr]));
}

/**
* @brief Reads a 64-bit signed integer from the specified memory address.
Expand All @@ -87,7 +93,9 @@ int32_t rishka_vm_read_i32(rishka_virtual_machine* vm, rishka_nil_type type, uin
* @param addr The memory address to read from.
* @return The 64-bit signed integer value read from the memory address.
*/
int64_t rishka_vm_read_i64(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr);
inline int64_t rishka_vm_read_i64(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr) {
return (int64_t)(*(rishka_u64ptr)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr]));
}

/**
* @brief Reads an 8-bit unsigned integer from the specified memory address.
Expand All @@ -101,7 +109,9 @@ int64_t rishka_vm_read_i64(rishka_virtual_machine* vm, rishka_nil_type type, uin
* @param addr The memory address to read from.
* @return The 8-bit unsigned integer value read from the memory address.
*/
uint8_t rishka_vm_read_u8_arrptr(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr);
inline uint8_t rishka_vm_read_u8_arrptr(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr) {
return (*(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr]));
}

/**
* @brief Reads a 16-bit unsigned integer from the specified memory address.
Expand All @@ -115,7 +125,9 @@ uint8_t rishka_vm_read_u8_arrptr(rishka_virtual_machine* vm, rishka_nil_type typ
* @param addr The memory address to read from.
* @return The 16-bit unsigned integer value read from the memory address.
*/
uint16_t rishka_vm_read_u16ptr(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr);
inline uint16_t rishka_vm_read_u16ptr(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr) {
return (*(rishka_u16ptr)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr]));
}

/**
* @brief Reads a 32-bit unsigned integer from the specified memory address.
Expand All @@ -129,7 +141,9 @@ uint16_t rishka_vm_read_u16ptr(rishka_virtual_machine* vm, rishka_nil_type type,
* @param addr The memory address to read from.
* @return The 32-bit unsigned integer value read from the memory address.
*/
uint32_t rishka_vm_read_u32ptr(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr);
inline uint32_t rishka_vm_read_u32ptr(rishka_virtual_machine* vm, rishka_nil_type type, uint64_t addr) {
return (*(rishka_u32ptr)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr]));
}

/**
* @brief Retrieves a pointer value from the specified memory address.
Expand All @@ -141,7 +155,9 @@ uint32_t rishka_vm_read_u32ptr(rishka_virtual_machine* vm, rishka_nil_type type,
* @param addr The memory address to retrieve the pointer from.
* @return A void pointer pointing to the memory address specified by `addr`.
*/
void* rishka_vm_getptr(rishka_virtual_machine* vm, uint64_t addr);
inline void* rishka_vm_getptr(rishka_virtual_machine* vm, uint64_t addr) {
return (void*)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr]);
}

/**
* @brief Writes an 8-bit unsigned integer value to the specified memory address.
Expand All @@ -153,7 +169,9 @@ void* rishka_vm_getptr(rishka_virtual_machine* vm, uint64_t addr);
* @param addr The memory address to write the value to.
* @param val The 8-bit unsigned integer value to be written.
*/
void rishka_vm_write_u8(rishka_virtual_machine* vm, uint64_t addr, uint8_t val);
inline void rishka_vm_write_u8(rishka_virtual_machine* vm, uint64_t addr, uint8_t val) {
(*(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr])) = val;
}

/**
* @brief Writes a 16-bit unsigned integer value to the specified memory address.
Expand All @@ -165,7 +183,9 @@ void rishka_vm_write_u8(rishka_virtual_machine* vm, uint64_t addr, uint8_t val);
* @param addr The memory address to write the value to.
* @param val The 16-bit unsigned integer value to be written.
*/
void rishka_vm_write_u16(rishka_virtual_machine* vm, uint64_t addr, uint16_t val);
inline void rishka_vm_write_u16(rishka_virtual_machine* vm, uint64_t addr, uint16_t val) {
(*(rishka_u16ptr)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr])) = val;
}

/**
* @brief Writes a 32-bit unsigned integer value to the specified memory address.
Expand All @@ -177,7 +197,9 @@ void rishka_vm_write_u16(rishka_virtual_machine* vm, uint64_t addr, uint16_t val
* @param addr The memory address to write the value to.
* @param val The 32-bit unsigned integer value to be written.
*/
void rishka_vm_write_u32(rishka_virtual_machine* vm, uint64_t addr, uint32_t val);
inline void rishka_vm_write_u32(rishka_virtual_machine* vm, uint64_t addr, uint32_t val) {
(*(rishka_u32ptr)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr])) = val;
}

/**
* @brief Writes a 64-bit unsigned integer value to the specified memory address.
Expand All @@ -189,7 +211,9 @@ void rishka_vm_write_u32(rishka_virtual_machine* vm, uint64_t addr, uint32_t val
* @param addr The memory address to write the value to.
* @param val The 64-bit unsigned integer value to be written.
*/
void rishka_vm_write_u64(rishka_virtual_machine* vm, uint64_t addr, uint64_t val);
inline void rishka_vm_write_u64(rishka_virtual_machine* vm, uint64_t addr, uint64_t val) {
(*(rishka_u64ptr)(&(((rishka_u8_arrptr*) & vm->memory)->a).v[addr])) = val;
}

/**
* @brief Performs left shift operation on a 64-bit signed integer.
Expand All @@ -202,7 +226,14 @@ void rishka_vm_write_u64(rishka_virtual_machine* vm, uint64_t addr, uint64_t val
* @param b The number of bits to shift `a` by.
* @return The result of the left shift operation.
*/
int64_t rishka_shl_riscvi64(int64_t a, int64_t b);
inline int64_t rishka_shl_riscvi64(int64_t a, int64_t b) {
if(b >= 0 && b < 64)
return ((uint64_t) a) << b;
else if(b < 0 && b > -64)
return (uint64_t) a >> -b;

return 0;
}

/**
* @brief Performs right shift operation on a 64-bit signed integer.
Expand All @@ -215,7 +246,14 @@ int64_t rishka_shl_riscvi64(int64_t a, int64_t b);
* @param b The number of bits to shift `a` by.
* @return The result of the right shift operation.
*/
int64_t rishka_shr_riscvi64(int64_t a, int64_t b);
inline int64_t rishka_shr_riscvi64(int64_t a, int64_t b) {
if(b >= 0 && b < 64)
return (uint64_t) a >> b;
else if(b < 0 && b > -64)
return (uint64_t) a << -b;

return 0;
}

/**
* @brief Performs arithmetic right shift operation on a 64-bit signed integer.
Expand All @@ -228,7 +266,16 @@ int64_t rishka_shr_riscvi64(int64_t a, int64_t b);
* @param b The number of bits to shift `a` by.
* @return The result of the arithmetic right shift operation.
*/
int64_t rishka_asr_riscvi64(int64_t a, int64_t b);
inline int64_t rishka_asr_riscvi64(int64_t a, int64_t b) {
if(b >= 0 && b < 64)
return a >> b;
else if(b >= 64)
return a < 0 ? -1 : 0;
else if(b < 0 && b > -64)
return a << -b;

return 0;
}

/**
* @brief Performs right shift operation on a 128-bit signed integer.
Expand All @@ -241,6 +288,13 @@ int64_t rishka_asr_riscvi64(int64_t a, int64_t b);
* @param b The number of bits to shift `a` by.
* @return The result of the right shift operation.
*/
int64_t rishka_shr_riscvi128(int64_t a, int64_t b);
inline int64_t rishka_shr_riscvi128(int64_t a, int64_t b) {
if(b >= 0 && b < 128)
return (uint64_t) a >> b;
else if(b < 0 && b > -128)
return (uint64_t) a << -b;

return 0;
}

#endif /* RISHKA_VM_HELPER_H */

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