summaryrefslogtreecommitdiff
path: root/tcg/optimize.c
diff options
context:
space:
mode:
authorBlue Swirl <blauwirbel@gmail.com>2011-07-30 12:21:33 +0000
committerBlue Swirl <blauwirbel@gmail.com>2011-07-30 12:21:33 +0000
commit1bfd07bdfe56cea43dbe258dcb161e46b0ee29b7 (patch)
tree093d7aed6c143318ab8c37bc1e979e4680738749 /tcg/optimize.c
parenta640f03178c22355a158fa9378e4f8bfa4f517a6 (diff)
downloadqemu-1bfd07bdfe56cea43dbe258dcb161e46b0ee29b7.tar.gz
TCG: fix breakage on some RISC hosts
Fix breakage by a640f03178c22355a158fa9378e4f8bfa4f517a6 and 55c0975c5b358e948b9ae7bd7b07eff92508e756. Some TCG targets don't implement all TCG ops, so make optimizing those conditional. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'tcg/optimize.c')
-rw-r--r--tcg/optimize.c128
1 files changed, 115 insertions, 13 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c
index a324e9872e..6a0a4ddb33 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -105,13 +105,25 @@ static int op_bits(int op)
case INDEX_op_shl_i32:
case INDEX_op_shr_i32:
case INDEX_op_sar_i32:
+#ifdef TCG_TARGET_HAS_rot_i32
case INDEX_op_rotl_i32:
case INDEX_op_rotr_i32:
+#endif
+#ifdef TCG_TARGET_HAS_not_i32
case INDEX_op_not_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8s_i32
case INDEX_op_ext8s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i32
case INDEX_op_ext16s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i32
case INDEX_op_ext8u_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i32
case INDEX_op_ext16u_i32:
+#endif
return 32;
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_mov_i64:
@@ -124,15 +136,31 @@ static int op_bits(int op)
case INDEX_op_shl_i64:
case INDEX_op_shr_i64:
case INDEX_op_sar_i64:
+#ifdef TCG_TARGET_HAS_rot_i64
case INDEX_op_rotl_i64:
case INDEX_op_rotr_i64:
+#endif
+#ifdef TCG_TARGET_HAS_not_i64
case INDEX_op_not_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext8s_i64
case INDEX_op_ext8s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i64
case INDEX_op_ext16s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext32s_i64
case INDEX_op_ext32s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i64
case INDEX_op_ext8u_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i64
case INDEX_op_ext16u_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext32u_i64
case INDEX_op_ext32u_i64:
+#endif
return 64;
#endif
default:
@@ -251,6 +279,7 @@ static TCGArg do_constant_folding_2(int op, TCGArg x, TCGArg y)
return (int64_t)x >> (int64_t)y;
#endif
+#ifdef TCG_TARGET_HAS_rot_i32
case INDEX_op_rotr_i32:
#if TCG_TARGET_REG_BITS == 64
x &= 0xffffffff;
@@ -258,13 +287,17 @@ static TCGArg do_constant_folding_2(int op, TCGArg x, TCGArg y)
#endif
x = (x << (32 - y)) | (x >> y);
return x;
+#endif
+#ifdef TCG_TARGET_HAS_rot_i64
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_rotr_i64:
x = (x << (64 - y)) | (x >> y);
return x;
#endif
+#endif
+#ifdef TCG_TARGET_HAS_rot_i32
case INDEX_op_rotl_i32:
#if TCG_TARGET_REG_BITS == 64
x &= 0xffffffff;
@@ -272,35 +305,72 @@ static TCGArg do_constant_folding_2(int op, TCGArg x, TCGArg y)
#endif
x = (x << y) | (x >> (32 - y));
return x;
+#endif
+#ifdef TCG_TARGET_HAS_rot_i64
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_rotl_i64:
x = (x << y) | (x >> (64 - y));
return x;
#endif
+#endif
- CASE_OP_32_64(not):
+#if defined(TCG_TARGET_HAS_not_i32) || defined(TCG_TARGET_HAS_not_i64)
+#ifdef TCG_TARGET_HAS_not_i32
+ case INDEX_op_not_i32:
+#else
+ case INDEX_op_not_i64:
+#endif
return ~x;
+#endif
- CASE_OP_32_64(ext8s):
+#if defined(TCG_TARGET_HAS_ext8s_i32) || defined(TCG_TARGET_HAS_ext8s_i64)
+#ifdef TCG_TARGET_HAS_ext8s_i32
+ case INDEX_op_ext8s_i32:
+#else
+ case INDEX_op_ext8s_i64:
+#endif
return (int8_t)x;
+#endif
- CASE_OP_32_64(ext16s):
+#if defined(TCG_TARGET_HAS_ext16s_i32) || defined(TCG_TARGET_HAS_ext16s_i64)
+#ifdef TCG_TARGET_HAS_ext16s_i32
+ case INDEX_op_ext16s_i32:
+#else
+ case INDEX_op_ext16s_i64:
+#endif
return (int16_t)x;
+#endif
- CASE_OP_32_64(ext8u):
+#if defined(TCG_TARGET_HAS_ext8u_i32) || defined(TCG_TARGET_HAS_ext8u_i64)
+#ifdef TCG_TARGET_HAS_ext8u_i32
+ case INDEX_op_ext8u_i32:
+#else
+ case INDEX_op_ext8u_i64:
+#endif
return (uint8_t)x;
+#endif
- CASE_OP_32_64(ext16u):
+#if defined(TCG_TARGET_HAS_ext16u_i32) || defined(TCG_TARGET_HAS_ext16u_i64)
+#ifdef TCG_TARGET_HAS_ext16u_i32
+ case INDEX_op_ext16u_i32:
+#else
+ case INDEX_op_ext16u_i64:
+#endif
return (uint16_t)x;
+#endif
#if TCG_TARGET_REG_BITS == 64
+#ifdef TCG_TARGET_HAS_ext32s_i32
case INDEX_op_ext32s_i64:
return (int32_t)x;
+#endif
+#ifdef TCG_TARGET_HAS_ext32u_i32
case INDEX_op_ext32u_i64:
return (uint32_t)x;
#endif
+#endif
default:
fprintf(stderr,
@@ -378,8 +448,14 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
CASE_OP_32_64(shl):
CASE_OP_32_64(shr):
CASE_OP_32_64(sar):
- CASE_OP_32_64(rotl):
- CASE_OP_32_64(rotr):
+#ifdef TCG_TARGET_HAS_rot_i32
+ case INDEX_op_rotl_i32:
+ case INDEX_op_rotr_i32:
+#endif
+#ifdef TCG_TARGET_HAS_rot_i64
+ case INDEX_op_rotl_i64:
+ case INDEX_op_rotr_i64:
+#endif
if (temps[args[1]].state == TCG_TEMP_CONST) {
/* Proceed with possible constant folding. */
break;
@@ -460,10 +536,30 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
args += 2;
break;
CASE_OP_32_64(not):
- CASE_OP_32_64(ext8s):
- CASE_OP_32_64(ext16s):
- CASE_OP_32_64(ext8u):
- CASE_OP_32_64(ext16u):
+#ifdef TCG_TARGET_HAS_ext8s_i32
+ case INDEX_op_ext8s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8s_i64
+ case INDEX_op_ext8s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i32
+ case INDEX_op_ext16s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i64
+ case INDEX_op_ext16s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i32
+ case INDEX_op_ext8u_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i64
+ case INDEX_op_ext8u_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i32
+ case INDEX_op_ext16u_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i64
+ case INDEX_op_ext16u_i64:
+#endif
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_ext32s_i64:
case INDEX_op_ext32u_i64:
@@ -492,8 +588,14 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
CASE_OP_32_64(shl):
CASE_OP_32_64(shr):
CASE_OP_32_64(sar):
- CASE_OP_32_64(rotl):
- CASE_OP_32_64(rotr):
+#ifdef TCG_TARGET_HAS_rot_i32
+ case INDEX_op_rotl_i32:
+ case INDEX_op_rotr_i32:
+#endif
+#ifdef TCG_TARGET_HAS_rot_i64
+ case INDEX_op_rotl_i64:
+ case INDEX_op_rotr_i64:
+#endif
if (temps[args[1]].state == TCG_TEMP_CONST
&& temps[args[2]].state == TCG_TEMP_CONST) {
gen_opc_buf[op_index] = op_to_movi(op);