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py/asmx86: Remove unused 5th argument facility. 

In commit 71a3d6ec3b mp_setup_code_state was
changed from a 5-arg function to a 4-arg function, and at that point 5-arg
calls in native code were no longer needed.  See also commit
4f9842ad80.
This commit is contained in:
Damien George 2019-12-22 23:13:01 +11:00
parent b97fb683d0
commit ab75210e33
2 changed files with 1 additions and 6 deletions
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5
py/asmx86.c
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@ -497,7 +497,7 @@ void asm_x86_push_local_addr(asm_x86_t *as, int local_num, int temp_r32)
#endif
void asm_x86_call_ind(asm_x86_t *as, size_t fun_id, mp_uint_t n_args, int temp_r32) {
assert(n_args <= 5);
assert(n_args <= 4);
// Align stack on 16-byte boundary during the call
unsigned int align = ((n_args + 3) & ~3) - n_args;
@ -505,9 +505,6 @@ void asm_x86_call_ind(asm_x86_t *as, size_t fun_id, mp_uint_t n_args, int temp_r
asm_x86_sub_r32_i32(as, ASM_X86_REG_ESP, align * WORD_SIZE);
}
if (n_args > 4) {
asm_x86_push_r32(as, ASM_X86_REG_ARG_5);
}
if (n_args > 3) {
asm_x86_push_r32(as, ASM_X86_REG_ARG_4);
}

2
py/asmx86.h
View File

@ -60,7 +60,6 @@
#define ASM_X86_REG_ARG_2 ASM_X86_REG_ECX
#define ASM_X86_REG_ARG_3 ASM_X86_REG_EDX
#define ASM_X86_REG_ARG_4 ASM_X86_REG_EBX
#define ASM_X86_REG_ARG_5 ASM_X86_REG_ESI
// condition codes, used for jcc and setcc (despite their j-name!)
#define ASM_X86_CC_JB (0x2) // below, unsigned
@ -129,7 +128,6 @@ void asm_x86_call_ind(asm_x86_t* as, size_t fun_id, mp_uint_t n_args, int temp_r
#define REG_ARG_2 ASM_X86_REG_ARG_2
#define REG_ARG_3 ASM_X86_REG_ARG_3
#define REG_ARG_4 ASM_X86_REG_ARG_4
#define REG_ARG_5 ASM_X86_REG_ARG_5
// caller-save, so can be used as temporaries
#define REG_TEMP0 ASM_X86_REG_EAX