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Move some more variables into cpu_state structure. Minor speedup (~2%).

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This commit is contained in:
SarahW 2016-08-17 21:28:16 +01:00
commit c664682758
43 changed files with 801 additions and 810 deletions
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24
src/x86_ops_prefix.h
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@ -5,8 +5,8 @@ static int op ## name ## _w_a16(uint32_t fetchdat) \
if (abrt) return 1; \
cpu_state.pc++; \
\
ea_seg = &seg; \
ssegs = 1; \
cpu_state.ea_seg = &seg; \
cpu_state.ssegs = 1; \
CLOCK_CYCLES(4); \
\
return x86_opcodes[fetchdat & 0xff](fetchdat >> 8); \
@ -18,8 +18,8 @@ static int op ## name ## _l_a16(uint32_t fetchdat) \
if (abrt) return 1; \
cpu_state.pc++; \
\
ea_seg = &seg; \
ssegs = 1; \
cpu_state.ea_seg = &seg; \
cpu_state.ssegs = 1; \
CLOCK_CYCLES(4); \
\
return x86_opcodes[(fetchdat & 0xff) | 0x100](fetchdat >> 8); \
@ -31,8 +31,8 @@ static int op ## name ## _w_a32(uint32_t fetchdat) \
if (abrt) return 1; \
cpu_state.pc++; \
\
ea_seg = &seg; \
ssegs = 1; \
cpu_state.ea_seg = &seg; \
cpu_state.ssegs = 1; \
CLOCK_CYCLES(4); \
\
return x86_opcodes[(fetchdat & 0xff) | 0x200](fetchdat >> 8); \
@ -44,8 +44,8 @@ static int op ## name ## _l_a32(uint32_t fetchdat) \
if (abrt) return 1; \
cpu_state.pc++; \
\
ea_seg = &seg; \
ssegs = 1; \
cpu_state.ea_seg = &seg; \
cpu_state.ssegs = 1; \
CLOCK_CYCLES(4); \
\
return x86_opcodes[(fetchdat & 0xff) | 0x300](fetchdat >> 8); \
@ -64,9 +64,9 @@ static int op_66(uint32_t fetchdat) /*Data size select*/
if (abrt) return 1;
cpu_state.pc++;
op32 = ((use32 & 0x100) ^ 0x100) | (op32 & 0x200);
cpu_state.op32 = ((use32 & 0x100) ^ 0x100) | (cpu_state.op32 & 0x200);
CLOCK_CYCLES(2);
return x86_opcodes[(fetchdat & 0xff) | op32](fetchdat >> 8);
return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}
static int op_67(uint32_t fetchdat) /*Address size select*/
{
@ -74,7 +74,7 @@ static int op_67(uint32_t fetchdat) /*Address size select*/
if (abrt) return 1;
cpu_state.pc++;
op32 = ((use32 & 0x200) ^ 0x200) | (op32 & 0x100);
cpu_state.op32 = ((use32 & 0x200) ^ 0x200) | (cpu_state.op32 & 0x100);
CLOCK_CYCLES(2);
return x86_opcodes[(fetchdat & 0xff) | op32](fetchdat >> 8);
return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}