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Moved integer registers, PC and flags_* variables into new cpu_state structure. Reduces recompiled code size slightly, small speedup (1-3%).

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This commit is contained in:
SarahW 2016-04-20 21:39:41 +01:00
commit c81a91fd72
52 changed files with 1494 additions and 1408 deletions
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12
src/386_ops.h
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@ -6,7 +6,7 @@
{ \
if ((cond)) \
{ \
pc = oldpc; \
cpu_state.pc = oldpc; \
x86illegal(); \
return 0; \
} \
@ -142,7 +142,7 @@ static inline uint32_t POP_L_seg(uint32_t seg)
static int ILLEGAL(uint32_t fetchdat)
{
pc = oldpc;
cpu_state.pc = oldpc;
// fatal("Illegal instruction %08X\n", fetchdat);
x86illegal();
@ -152,28 +152,28 @@ static int ILLEGAL(uint32_t fetchdat)
static int op0F_w_a16(uint32_t fetchdat)
{
int opcode = fetchdat & 0xff;
pc++;
cpu_state.pc++;
return x86_opcodes_0f[opcode](fetchdat >> 8);
}
static int op0F_l_a16(uint32_t fetchdat)
{
int opcode = fetchdat & 0xff;
pc++;
cpu_state.pc++;
return x86_opcodes_0f[opcode | 0x100](fetchdat >> 8);
}
static int op0F_w_a32(uint32_t fetchdat)
{
int opcode = fetchdat & 0xff;
pc++;
cpu_state.pc++;
return x86_opcodes_0f[opcode | 0x200](fetchdat >> 8);
}
static int op0F_l_a32(uint32_t fetchdat)
{
int opcode = fetchdat & 0xff;
pc++;
cpu_state.pc++;
return x86_opcodes_0f[opcode | 0x300](fetchdat >> 8);
}