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Diffstat (limited to 'sljit/sljitNativeARM_64.c')
-rw-r--r--sljit/sljitNativeARM_64.c77
1 files changed, 46 insertions, 31 deletions
diff --git a/sljit/sljitNativeARM_64.c b/sljit/sljitNativeARM_64.c
index d41b18a..cea8b33 100644
--- a/sljit/sljitNativeARM_64.c
+++ b/sljit/sljitNativeARM_64.c
@@ -890,6 +890,10 @@ static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flag
}
arg &= REG_MASK;
+
+ if (arg == SLJIT_UNUSED)
+ return 0;
+
if (argw >= 0 && (argw >> shift) <= 0xfff && (argw & ((1 << shift) - 1)) == 0) {
if (SLJIT_UNLIKELY(flags & ARG_TEST))
return 1;
@@ -950,7 +954,7 @@ static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sl
next_argw = 0;
}
- tmp_r = (flags & STORE) ? TMP_REG3 : reg;
+ tmp_r = ((flags & STORE) || (flags == (WORD_SIZE | SIGNED))) ? TMP_REG3 : reg;
if (SLJIT_UNLIKELY((flags & UPDATE) && (arg & REG_MASK))) {
/* Update only applies if a base register exists. */
@@ -1021,16 +1025,16 @@ static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sl
}
}
- if (argw >= 0 && argw <= 0xffffff && (argw & ((1 << shift) - 1)) == 0) {
- FAIL_IF(push_inst(compiler, ADDI | (1 << 22) | RD(tmp_r) | RN(arg & REG_MASK) | ((argw >> 12) << 10)));
- return push_inst(compiler, sljit_mem_imm[flags & 0x3] | (shift << 30)
- | RT(reg) | RN(tmp_r) | ((argw & 0xfff) << (10 - shift)));
- }
-
diff = argw - next_argw;
next_arg = (arg & REG_MASK) && (arg == next_arg) && diff <= 0xfff && diff >= -0xfff && diff != 0;
arg &= REG_MASK;
+ if (arg != SLJIT_UNUSED && argw >= 0 && argw <= 0xffffff && (argw & ((1 << shift) - 1)) == 0) {
+ FAIL_IF(push_inst(compiler, ADDI | (1 << 22) | RD(tmp_r) | RN(arg) | ((argw >> 12) << 10)));
+ return push_inst(compiler, sljit_mem_imm[flags & 0x3] | (shift << 30)
+ | RT(reg) | RN(tmp_r) | ((argw & 0xfff) << (10 - shift)));
+ }
+
if (arg && compiler->cache_arg == SLJIT_MEM) {
if (compiler->cache_argw == argw)
return push_inst(compiler, sljit_mem_reg[flags & 0x3] | (shift << 30) | RT(reg) | RN(arg) | RM(TMP_REG3));
@@ -1313,6 +1317,23 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compile
compiler->cache_arg = 0;
compiler->cache_argw = 0;
+ if (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) {
+ if (op <= SLJIT_MOV_P && (src & SLJIT_MEM)) {
+ SLJIT_ASSERT(reg_map[1] == 0 && reg_map[3] == 2 && reg_map[5] == 4);
+
+ if (op >= SLJIT_MOV_U8 && op <= SLJIT_MOV_S8)
+ dst = 5;
+ else if (op >= SLJIT_MOV_U16 && op <= SLJIT_MOV_S16)
+ dst = 3;
+ else
+ dst = 1;
+
+ /* Signed word sized load is the prefetch instruction. */
+ return emit_op_mem(compiler, WORD_SIZE | SIGNED, dst, src, srcw);
+ }
+ return SLJIT_SUCCESS;
+ }
+
dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1;
op = GET_OPCODE(op);
@@ -1466,6 +1487,9 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile
compiler->cache_arg = 0;
compiler->cache_argw = 0;
+ if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
+ return SLJIT_SUCCESS;
+
dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1;
flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
mem_flags = WORD_SIZE;
@@ -1617,7 +1641,7 @@ static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_comp
sljit_s32 dst, sljit_sw dstw,
sljit_s32 src, sljit_sw srcw)
{
- sljit_s32 dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1;
+ sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_REG1;
sljit_ins inv_bits = (op & SLJIT_F32_OP) ? (1 << 22) : 0;
if (GET_OPCODE(op) == SLJIT_CONV_S32_FROM_F64)
@@ -1630,7 +1654,7 @@ static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_comp
FAIL_IF(push_inst(compiler, (FCVTZS ^ inv_bits) | RD(dst_r) | VN(src)));
- if (dst_r == TMP_REG1 && dst != SLJIT_UNUSED)
+ if (dst & SLJIT_MEM)
return emit_op_mem(compiler, ((GET_OPCODE(op) == SLJIT_CONV_S32_FROM_F64) ? INT_SIZE : WORD_SIZE) | STORE, TMP_REG1, dst, dstw);
return SLJIT_SUCCESS;
}
@@ -1788,10 +1812,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *
CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
- /* For UNUSED dst. Uncommon, but possible. */
- if (dst == SLJIT_UNUSED)
- return SLJIT_SUCCESS;
-
if (FAST_IS_REG(dst))
return push_inst(compiler, ORR | RD(dst) | RN(TMP_ZERO) | RM(TMP_LR));
@@ -1979,19 +1999,14 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compi
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
sljit_s32 dst, sljit_sw dstw,
- sljit_s32 src, sljit_sw srcw,
sljit_s32 type)
{
- sljit_s32 dst_r, flags, mem_flags;
+ sljit_s32 dst_r, src_r, flags, mem_flags;
sljit_ins cc;
CHECK_ERROR();
- CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type));
+ CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type));
ADJUST_LOCAL_OFFSET(dst, dstw);
- ADJUST_LOCAL_OFFSET(src, srcw);
-
- if (dst == SLJIT_UNUSED)
- return SLJIT_SUCCESS;
cc = get_cc(type & 0xff);
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG1;
@@ -2012,19 +2027,19 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *co
mem_flags = INT_SIZE;
}
- if (src & SLJIT_MEM) {
- FAIL_IF(emit_op_mem2(compiler, mem_flags, TMP_REG1, src, srcw, dst, dstw));
- src = TMP_REG1;
- srcw = 0;
- } else if (src & SLJIT_IMM)
- flags |= ARG1_IMM;
+ src_r = dst;
+
+ if (dst & SLJIT_MEM) {
+ FAIL_IF(emit_op_mem2(compiler, mem_flags, TMP_REG1, dst, dstw, dst, dstw));
+ src_r = TMP_REG1;
+ }
FAIL_IF(push_inst(compiler, CSINC | (cc << 12) | RD(TMP_REG2) | RN(TMP_ZERO) | RM(TMP_ZERO)));
- emit_op_imm(compiler, flags | GET_OPCODE(op), dst_r, src, TMP_REG2);
+ emit_op_imm(compiler, flags | GET_OPCODE(op), dst_r, src_r, TMP_REG2);
- if (dst_r != TMP_REG1)
- return SLJIT_SUCCESS;
- return emit_op_mem2(compiler, mem_flags | STORE, TMP_REG1, dst, dstw, 0, 0);
+ if (dst & SLJIT_MEM)
+ return emit_op_mem2(compiler, mem_flags | STORE, TMP_REG1, dst, dstw, 0, 0);
+ return SLJIT_SUCCESS;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
@@ -2064,7 +2079,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
PTR_FAIL_IF(!const_);
set_const(const_, compiler);
- dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1;
+ dst_r = FAST_IS_REG(dst) ? dst : TMP_REG1;
PTR_FAIL_IF(emit_imm64_const(compiler, dst_r, init_value));
if (dst & SLJIT_MEM)
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