diff options
Diffstat (limited to 'sljit/sljitNativeARM_64.c')
| -rw-r--r-- | sljit/sljitNativeARM_64.c | 77 |
1 files changed, 56 insertions, 21 deletions
diff --git a/sljit/sljitNativeARM_64.c b/sljit/sljitNativeARM_64.c index 10e934c..d41b18a 100644 --- a/sljit/sljitNativeARM_64.c +++ b/sljit/sljitNativeARM_64.c @@ -76,6 +76,7 @@ static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 8] = { #define BRK 0xd4200000 #define CBZ 0xb4000000 #define CLZ 0xdac01000 +#define CSEL 0x9a800000 #define CSINC 0x9a800400 #define EOR 0xca000000 #define EORI 0xd2000000 @@ -323,6 +324,27 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil return code; } +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) +{ + switch (feature_type) { + case SLJIT_HAS_FPU: +#ifdef SLJIT_IS_FPU_AVAILABLE + return SLJIT_IS_FPU_AVAILABLE; +#else + /* Available by default. */ + return 1; +#endif + + case SLJIT_HAS_PRE_UPDATE: + case SLJIT_HAS_CLZ: + case SLJIT_HAS_CMOV: + return 1; + + default: + return 0; + } +} + /* --------------------------------------------------------------------- */ /* Core code generator functions. */ /* --------------------------------------------------------------------- */ @@ -712,7 +734,7 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s case SLJIT_NOT: SLJIT_ASSERT(arg1 == TMP_REG1); FAIL_IF(push_inst(compiler, (ORN ^ inv_bits) | RD(dst) | RN(TMP_ZERO) | RM(arg2))); - goto set_flags; + break; /* Set flags. */ case SLJIT_NEG: SLJIT_ASSERT(arg1 == TMP_REG1); if (flags & SET_FLAGS) @@ -720,8 +742,7 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s return push_inst(compiler, (SUB ^ inv_bits) | RD(dst) | RN(TMP_ZERO) | RM(arg2)); case SLJIT_CLZ: SLJIT_ASSERT(arg1 == TMP_REG1); - FAIL_IF(push_inst(compiler, (CLZ ^ inv_bits) | RD(dst) | RN(arg2))); - goto set_flags; + return push_inst(compiler, (CLZ ^ inv_bits) | RD(dst) | RN(arg2)); case SLJIT_ADD: CHECK_FLAGS(1 << 29); return push_inst(compiler, (ADD ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2)); @@ -750,24 +771,24 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s return push_inst(compiler, (AND ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2)); case SLJIT_OR: FAIL_IF(push_inst(compiler, (ORR ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2))); - goto set_flags; + break; /* Set flags. */ case SLJIT_XOR: FAIL_IF(push_inst(compiler, (EOR ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2))); - goto set_flags; + break; /* Set flags. */ case SLJIT_SHL: FAIL_IF(push_inst(compiler, (LSLV ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2))); - goto set_flags; + break; /* Set flags. */ case SLJIT_LSHR: FAIL_IF(push_inst(compiler, (LSRV ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2))); - goto set_flags; + break; /* Set flags. */ case SLJIT_ASHR: FAIL_IF(push_inst(compiler, (ASRV ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2))); - goto set_flags; + break; /* Set flags. */ + default: + SLJIT_UNREACHABLE(); + return SLJIT_SUCCESS; } - SLJIT_UNREACHABLE(); - return SLJIT_SUCCESS; - set_flags: if (flags & SET_FLAGS) return push_inst(compiler, (SUBS ^ inv_bits) | RD(TMP_ZERO) | RN(dst) | RM(TMP_ZERO)); @@ -1539,16 +1560,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *c /* Floating point operators */ /* --------------------------------------------------------------------- */ -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void) -{ -#ifdef SLJIT_IS_FPU_AVAILABLE - return SLJIT_IS_FPU_AVAILABLE; -#else - /* Available by default. */ - return 1; -#endif -} - static sljit_s32 emit_fop_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) { sljit_u32 shift = MEM_SIZE_SHIFT(flags); @@ -2016,6 +2027,30 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *co return emit_op_mem2(compiler, mem_flags | STORE, TMP_REG1, dst, dstw, 0, 0); } +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 dst_reg, + sljit_s32 src, sljit_sw srcw) +{ + sljit_ins inv_bits = (dst_reg & SLJIT_I32_OP) ? (1 << 31) : 0; + sljit_ins cc; + + CHECK_ERROR(); + CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw)); + + if (SLJIT_UNLIKELY(src & SLJIT_IMM)) { + if (dst_reg & SLJIT_I32_OP) + srcw = (sljit_s32)srcw; + FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); + src = TMP_REG1; + srcw = 0; + } + + cc = get_cc(type & 0xff); + dst_reg &= ~SLJIT_I32_OP; + + return push_inst(compiler, (CSEL ^ inv_bits) | (cc << 12) | RD(dst_reg) | RN(src) | RM(dst_reg)); +} + SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) { struct sljit_const *const_; |