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Added recompiled versions of 8 and 16 bit immediate->reg and reg->reg versions of MOV, ADD, SUB, CMP, AND, OR and XOR.

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This commit is contained in:
SarahW 2018-07-17 22:08:25 +01:00
commit 648aa0e3e8
17 changed files with 3006 additions and 231 deletions
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62
src/codegen_reg.h
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@ -1,10 +1,17 @@
#ifndef _CODEGEN_REG_H_
#define _CODEGEN_REG_H_
#define IREG_SIZE_L (0 << 6)
#define IREG_SIZE_W (1 << 6)
#define IREG_SIZE_B (2 << 6)
#define IREG_SIZE_BH (3 << 6)
#define IREG_REG_MASK 0x3f
#define IREG_SIZE_SHIFT 6
#define IREG_SIZE_MASK (3 << IREG_SIZE_SHIFT)
#define IREG_GET_REG(reg) ((reg) & IREG_REG_MASK)
#define IREG_GET_SIZE(reg) ((reg) & IREG_SIZE_MASK)
#define IREG_SIZE_L (0 << IREG_SIZE_SHIFT)
#define IREG_SIZE_W (1 << IREG_SIZE_SHIFT)
#define IREG_SIZE_B (2 << IREG_SIZE_SHIFT)
#define IREG_SIZE_BH (3 << IREG_SIZE_SHIFT)
enum
{
@ -45,9 +52,34 @@ enum
IREG_COUNT,
IREG_INVALID = 255
IREG_INVALID = 63,
IREG_AX = IREG_EAX + IREG_SIZE_W,
IREG_CX = IREG_ECX + IREG_SIZE_W,
IREG_DX = IREG_EDX + IREG_SIZE_W,
IREG_BX = IREG_EBX + IREG_SIZE_W,
IREG_SP = IREG_ESP + IREG_SIZE_W,
IREG_BP = IREG_EBP + IREG_SIZE_W,
IREG_SI = IREG_ESI + IREG_SIZE_W,
IREG_DI = IREG_EDI + IREG_SIZE_W,
IREG_AL = IREG_EAX + IREG_SIZE_B,
IREG_CL = IREG_ECX + IREG_SIZE_B,
IREG_DL = IREG_EDX + IREG_SIZE_B,
IREG_BL = IREG_EBX + IREG_SIZE_B,
IREG_AH = IREG_EAX + IREG_SIZE_BH,
IREG_CH = IREG_ECX + IREG_SIZE_BH,
IREG_DH = IREG_EDX + IREG_SIZE_BH,
IREG_BH = IREG_EBX + IREG_SIZE_BH,
IREG_flags_res_W = IREG_flags_res + IREG_SIZE_W,
IREG_flags_res_B = IREG_flags_res + IREG_SIZE_B
};
#define IREG_8(reg) (((reg) & 4) ? (((reg) & 3) + IREG_AH) : ((reg) + IREG_AL))
#define IREG_16(reg) ((reg) + IREG_AX)
#define IREG_32(reg) ((reg) + IREG_EAX)
extern uint8_t reg_last_version[IREG_COUNT];
@ -67,13 +99,13 @@ static inline ir_reg_t codegen_reg_read(int reg)
{
ir_reg_t ireg;
if (reg == IREG_INVALID)
if (IREG_GET_REG(reg) == IREG_INVALID)
fatal("codegen_reg_read - IREG_INVALID\n");
ireg.reg = reg;
ireg.version = reg_last_version[reg];
reg_version_refcount[ireg.reg][ireg.version]++;
if (!reg_version_refcount[ireg.reg][ireg.version])
ireg.version = reg_last_version[IREG_GET_REG(reg)];
reg_version_refcount[IREG_GET_REG(ireg.reg)][ireg.version]++;
if (!reg_version_refcount[IREG_GET_REG(ireg.reg)][ireg.version])
fatal("codegen_reg_read - refcount overflow\n");
return ireg;
@ -83,15 +115,15 @@ static inline ir_reg_t codegen_reg_write(int reg)
{
ir_reg_t ireg;
if (reg == IREG_INVALID)
if (IREG_GET_REG(reg) == IREG_INVALID)
fatal("codegen_reg_write - IREG_INVALID\n");
ireg.reg = reg;
ireg.version = reg_last_version[reg] + 1;
reg_last_version[reg]++;
if (!reg_last_version[reg])
ireg.version = reg_last_version[IREG_GET_REG(reg)] + 1;
reg_last_version[IREG_GET_REG(reg)]++;
if (!reg_last_version[IREG_GET_REG(reg)])
fatal("codegen_reg_write - version overflow\n");
reg_version_refcount[reg][ireg.version] = 0;
reg_version_refcount[IREG_GET_REG(reg)][ireg.version] = 0;
return ireg;
}
@ -104,7 +136,7 @@ void codegen_reg_flush(struct ir_data_t *ir, codeblock_t *block);
/*Register ir_reg usage for this uOP. This ensures that required registers aren't evicted*/
void codegen_reg_alloc_register(ir_reg_t dest_reg_a, ir_reg_t src_reg_a, ir_reg_t src_reg_b);
ir_host_reg_t codegen_reg_alloc_read_reg(codeblock_t *block, ir_reg_t ir_reg);
ir_host_reg_t codegen_reg_alloc_read_reg(codeblock_t *block, ir_reg_t ir_reg, int *host_reg_idx);
ir_host_reg_t codegen_reg_alloc_write_reg(codeblock_t *block, ir_reg_t ir_reg);
#endif