aboutsummaryrefslogtreecommitdiff
path: root/tcg
diff options
context:
space:
mode:
authorWANG Xuerui <git@xen0n.name>2021-12-21 13:40:50 +0800
committerRichard Henderson <richard.henderson@linaro.org>2021-12-21 13:17:06 -0800
commita164010b052abfd720110c46bc6835065de0e351 (patch)
tree7f2500e53085ff788f424de3053c28a53cf896a4 /tcg
parentfde693016064ce5cb954b5c132daf59f5cdbf17d (diff)
tcg/loongarch64: Implement shl/shr/sar/rotl/rotr ops
Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211221054105.178795-17-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/loongarch64/tcg-target-con-set.h1
-rw-r--r--tcg/loongarch64/tcg-target.c.inc91
-rw-r--r--tcg/loongarch64/tcg-target.h4
3 files changed, 94 insertions, 2 deletions
diff --git a/tcg/loongarch64/tcg-target-con-set.h b/tcg/loongarch64/tcg-target-con-set.h
index 2975e03127..42f8e28741 100644
--- a/tcg/loongarch64/tcg-target-con-set.h
+++ b/tcg/loongarch64/tcg-target-con-set.h
@@ -17,6 +17,7 @@
C_O0_I1(r)
C_O1_I1(r, r)
C_O1_I2(r, r, rC)
+C_O1_I2(r, r, ri)
C_O1_I2(r, r, rU)
C_O1_I2(r, r, rW)
C_O1_I2(r, 0, rZ)
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 39df2885b5..2895769e68 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -608,6 +608,85 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_clzctz(s, OPC_CTZ_D, a0, a1, a2, c2, false);
break;
+ case INDEX_op_shl_i32:
+ if (c2) {
+ tcg_out_opc_slli_w(s, a0, a1, a2 & 0x1f);
+ } else {
+ tcg_out_opc_sll_w(s, a0, a1, a2);
+ }
+ break;
+ case INDEX_op_shl_i64:
+ if (c2) {
+ tcg_out_opc_slli_d(s, a0, a1, a2 & 0x3f);
+ } else {
+ tcg_out_opc_sll_d(s, a0, a1, a2);
+ }
+ break;
+
+ case INDEX_op_shr_i32:
+ if (c2) {
+ tcg_out_opc_srli_w(s, a0, a1, a2 & 0x1f);
+ } else {
+ tcg_out_opc_srl_w(s, a0, a1, a2);
+ }
+ break;
+ case INDEX_op_shr_i64:
+ if (c2) {
+ tcg_out_opc_srli_d(s, a0, a1, a2 & 0x3f);
+ } else {
+ tcg_out_opc_srl_d(s, a0, a1, a2);
+ }
+ break;
+
+ case INDEX_op_sar_i32:
+ if (c2) {
+ tcg_out_opc_srai_w(s, a0, a1, a2 & 0x1f);
+ } else {
+ tcg_out_opc_sra_w(s, a0, a1, a2);
+ }
+ break;
+ case INDEX_op_sar_i64:
+ if (c2) {
+ tcg_out_opc_srai_d(s, a0, a1, a2 & 0x3f);
+ } else {
+ tcg_out_opc_sra_d(s, a0, a1, a2);
+ }
+ break;
+
+ case INDEX_op_rotl_i32:
+ /* transform into equivalent rotr/rotri */
+ if (c2) {
+ tcg_out_opc_rotri_w(s, a0, a1, (32 - a2) & 0x1f);
+ } else {
+ tcg_out_opc_sub_w(s, TCG_REG_TMP0, TCG_REG_ZERO, a2);
+ tcg_out_opc_rotr_w(s, a0, a1, TCG_REG_TMP0);
+ }
+ break;
+ case INDEX_op_rotl_i64:
+ /* transform into equivalent rotr/rotri */
+ if (c2) {
+ tcg_out_opc_rotri_d(s, a0, a1, (64 - a2) & 0x3f);
+ } else {
+ tcg_out_opc_sub_w(s, TCG_REG_TMP0, TCG_REG_ZERO, a2);
+ tcg_out_opc_rotr_d(s, a0, a1, TCG_REG_TMP0);
+ }
+ break;
+
+ case INDEX_op_rotr_i32:
+ if (c2) {
+ tcg_out_opc_rotri_w(s, a0, a1, a2 & 0x1f);
+ } else {
+ tcg_out_opc_rotr_w(s, a0, a1, a2);
+ }
+ break;
+ case INDEX_op_rotr_i64:
+ if (c2) {
+ tcg_out_opc_rotri_d(s, a0, a1, a2 & 0x3f);
+ } else {
+ tcg_out_opc_rotr_d(s, a0, a1, a2);
+ }
+ break;
+
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
default:
@@ -657,6 +736,18 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
*/
return C_O1_I2(r, r, rC);
+ case INDEX_op_shl_i32:
+ case INDEX_op_shl_i64:
+ case INDEX_op_shr_i32:
+ case INDEX_op_shr_i64:
+ case INDEX_op_sar_i32:
+ case INDEX_op_sar_i64:
+ case INDEX_op_rotl_i32:
+ case INDEX_op_rotl_i64:
+ case INDEX_op_rotr_i32:
+ case INDEX_op_rotr_i64:
+ return C_O1_I2(r, r, ri);
+
case INDEX_op_and_i32:
case INDEX_op_and_i64:
case INDEX_op_nor_i32:
diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h
index 2fd2745b63..d1ded50cb0 100644
--- a/tcg/loongarch64/tcg-target.h
+++ b/tcg/loongarch64/tcg-target.h
@@ -96,7 +96,7 @@ typedef enum {
#define TCG_TARGET_HAS_div_i32 0
#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_div2_i32 0
-#define TCG_TARGET_HAS_rot_i32 0
+#define TCG_TARGET_HAS_rot_i32 1
#define TCG_TARGET_HAS_deposit_i32 1
#define TCG_TARGET_HAS_extract_i32 1
#define TCG_TARGET_HAS_sextract_i32 0
@@ -133,7 +133,7 @@ typedef enum {
#define TCG_TARGET_HAS_div_i64 0
#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_div2_i64 0
-#define TCG_TARGET_HAS_rot_i64 0
+#define TCG_TARGET_HAS_rot_i64 1
#define TCG_TARGET_HAS_deposit_i64 1
#define TCG_TARGET_HAS_extract_i64 1
#define TCG_TARGET_HAS_sextract_i64 0