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Hacked in quick ARM64 UOP_AND_IMM handling of immediate 0xffff.

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This commit is contained in:
SarahW 2018-07-06 17:53:58 +01:00
commit ced37ac545
1 changed files with 14 additions and 3 deletions
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17
src/codegen_backend_arm64_uops.c
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@ -34,12 +34,12 @@ static inline void codegen_addlong(codeblock_t *block, uint32_t val)
#define OPCODE_SHIFT 24
#define OPCODE_ADD_IMM (0x11 << OPCODE_SHIFT)
#define OPCODE_AND_IMM (0x11 << OPCODE_SHIFT)
#define OPCODE_CBNZ (0xb5 << OPCODE_SHIFT)
#define OPCODE_LDR_LITERAL_W (0x18 << OPCODE_SHIFT)
#define OPCODE_LDR_LITERAL_X (0x58 << OPCODE_SHIFT)
#define OPCODE_SUB_IMM (0x51 << OPCODE_SHIFT)
#define OPCODE_AND_IMM (0x024 << 23)
#define OPCODE_MOVK_W (0x0e5 << 23)
#define OPCODE_MOVZ_W (0x0a5 << 23)
@ -67,6 +67,10 @@ static inline void codegen_addlong(codeblock_t *block, uint32_t val)
#define IMM12(imm_data) ((imm_data) << 10)
#define IMM16(imm_data) ((imm_data) << 5)
#define IMMN(immn) ((immn) << 22)
#define IMMR(immr) ((immr) << 16)
#define IMMS(imms) ((imms) << 10)
#define OFFSET19(offset) (((offset >> 2) << 5) & 0x00ffffe0)
#define OFFSET12_B(offset) (offset << 10)
@ -163,8 +167,15 @@ void host_arm64_ADD_REG(codeblock_t *block, int dst_reg, int src_n_reg, int src_
void host_arm64_AND_IMM(codeblock_t *block, int dst_reg, int src_n_reg, uint32_t imm_data)
{
host_arm64_mov_imm(block, REG_W16, imm_data);
codegen_addlong(block, OPCODE_AND_LSL | Rd(dst_reg) | Rn(src_n_reg) | Rm(REG_W16) | DATPROC_SHIFT(0));
if (imm_data == 0xffff) /*Quick hack until proper immediate generation is written */
{
codegen_addlong(block, OPCODE_AND_IMM | Rd(dst_reg) | Rn(src_n_reg) | IMMN(0) | IMMR(0) | IMMS(0x0f));
}
else
{
host_arm64_mov_imm(block, REG_W16, imm_data);
codegen_addlong(block, OPCODE_AND_LSL | Rd(dst_reg) | Rn(src_n_reg) | Rm(REG_W16) | DATPROC_SHIFT(0));
}
}
void host_arm64_BLR(codeblock_t *block, int addr_reg)