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Add recompiled versions of ROL and ROR.

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This commit is contained in:
SarahW 2019-03-30 16:10:00 +00:00
commit e8f39da459
8 changed files with 665 additions and 9 deletions
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66
src/codegen_backend_x86_ops.c
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@ -15,6 +15,8 @@
#define RM_OP_XOR 0x30
#define RM_OP_CMP 0x38
#define RM_OP_ROL 0x00
#define RM_OP_ROR 0x08
#define RM_OP_SHL 0x20
#define RM_OP_SHR 0x28
#define RM_OP_SAR 0x38
@ -953,6 +955,70 @@ void host_x86_RET(codeblock_t *block)
codegen_addbyte(block, 0xc3); /*RET*/
}
void host_x86_ROL8_CL(codeblock_t *block, int dst_reg)
{
codegen_alloc_bytes(block, 2);
codegen_addbyte2(block, 0xd2, 0xc0 | RM_OP_ROL | dst_reg); /*SHL dst_reg, CL*/
}
void host_x86_ROL16_CL(codeblock_t *block, int dst_reg)
{
codegen_alloc_bytes(block, 3);
codegen_addbyte3(block, 0x66, 0xd3, 0xc0 | RM_OP_ROL | dst_reg); /*SHL dst_reg, CL*/
}
void host_x86_ROL32_CL(codeblock_t *block, int dst_reg)
{
codegen_alloc_bytes(block, 2);
codegen_addbyte2(block, 0xd3, 0xc0 | RM_OP_ROL | dst_reg); /*SHL dst_reg, CL*/
}
void host_x86_ROL8_IMM(codeblock_t *block, int dst_reg, int shift)
{
codegen_alloc_bytes(block, 3);
codegen_addbyte3(block, 0xc0, 0xc0 | RM_OP_ROL | dst_reg, shift); /*SHL dst_reg, shift*/
}
void host_x86_ROL16_IMM(codeblock_t *block, int dst_reg, int shift)
{
codegen_alloc_bytes(block, 4);
codegen_addbyte4(block, 0x66, 0xc1, 0xc0 | RM_OP_ROL | dst_reg, shift); /*SHL dst_reg, shift*/
}
void host_x86_ROL32_IMM(codeblock_t *block, int dst_reg, int shift)
{
codegen_alloc_bytes(block, 3);
codegen_addbyte3(block, 0xc1, 0xc0 | RM_OP_ROL | dst_reg, shift); /*SHL dst_reg, shift*/
}
void host_x86_ROR8_CL(codeblock_t *block, int dst_reg)
{
codegen_alloc_bytes(block, 2);
codegen_addbyte2(block, 0xd2, 0xc0 | RM_OP_ROR | dst_reg); /*SHR dst_reg, CL*/
}
void host_x86_ROR16_CL(codeblock_t *block, int dst_reg)
{
codegen_alloc_bytes(block, 3);
codegen_addbyte3(block, 0x66, 0xd3, 0xc0 | RM_OP_ROR | dst_reg); /*SHR dst_reg, CL*/
}
void host_x86_ROR32_CL(codeblock_t *block, int dst_reg)
{
codegen_alloc_bytes(block, 2);
codegen_addbyte2(block, 0xd3, 0xc0 | RM_OP_ROR | dst_reg); /*SHR dst_reg, CL*/
}
void host_x86_ROR8_IMM(codeblock_t *block, int dst_reg, int shift)
{
codegen_alloc_bytes(block, 3);
codegen_addbyte3(block, 0xc0, 0xc0 | RM_OP_ROR | dst_reg, shift); /*SHR dst_reg, shift*/
}
void host_x86_ROR16_IMM(codeblock_t *block, int dst_reg, int shift)
{
codegen_alloc_bytes(block, 4);
codegen_addbyte4(block, 0x66, 0xc1, 0xc0 | RM_OP_ROR | dst_reg, shift); /*SHR dst_reg, shift*/
}
void host_x86_ROR32_IMM(codeblock_t *block, int dst_reg, int shift)
{
codegen_alloc_bytes(block, 3);
codegen_addbyte3(block, 0xc1, 0xc0 | RM_OP_ROR | dst_reg, shift); /*SHR dst_reg, shift*/
}
#define MODRM_MOD_REG(rm, reg) (0xc0 | reg | (rm << 3))
void host_x86_SAR8_CL(codeblock_t *block, int dst_reg)