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[PATCH v2 16/30] tcg/loongarch64: Implement shl/shr/sar/rotl/rotr ops
From: |
WANG Xuerui |
Subject: |
[PATCH v2 16/30] tcg/loongarch64: Implement shl/shr/sar/rotl/rotr ops |
Date: |
Wed, 22 Sep 2021 04:19:01 +0800 |
Signed-off-by: WANG Xuerui <git@xen0n.name>
---
tcg/loongarch64/tcg-target-con-set.h | 1 +
tcg/loongarch64/tcg-target.c.inc | 91 ++++++++++++++++++++++++++++
2 files changed, 92 insertions(+)
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 65545f7636..f06c61ee2b 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -561,6 +561,85 @@ 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:
@@ -610,6 +689,18 @@ 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:
--
2.33.0
- [PATCH v2 17/30] tcg/loongarch64: Implement add/sub ops, (continued)
- [PATCH v2 17/30] tcg/loongarch64: Implement add/sub ops, WANG Xuerui, 2021/09/21
- [PATCH v2 21/30] tcg/loongarch64: Implement tcg_out_call, WANG Xuerui, 2021/09/21
- [PATCH v2 22/30] tcg/loongarch64: Implement simple load/store ops, WANG Xuerui, 2021/09/21
- [PATCH v2 19/30] tcg/loongarch64: Implement br/brcond ops, WANG Xuerui, 2021/09/21
- [PATCH v2 24/30] tcg/loongarch64: Implement tcg_target_qemu_prologue, WANG Xuerui, 2021/09/21
- [PATCH v2 23/30] tcg/loongarch64: Add softmmu load/store helpers, implement qemu_ld/qemu_st ops, WANG Xuerui, 2021/09/21
- [PATCH v2 16/30] tcg/loongarch64: Implement shl/shr/sar/rotl/rotr ops,
WANG Xuerui <=
- [PATCH v2 20/30] tcg/loongarch64: Implement setcond ops, WANG Xuerui, 2021/09/21
- [PATCH v2 25/30] tcg/loongarch64: Implement exit_tb/goto_tb, WANG Xuerui, 2021/09/21
- [PATCH v2 26/30] tcg/loongarch64: Implement tcg_target_init, WANG Xuerui, 2021/09/21
- [PATCH v2 30/30] configure, meson.build: Mark support for loongarch64 hosts, WANG Xuerui, 2021/09/21
- [PATCH v2 29/30] accel/tcg/user-exec: Implement CPU-specific signal handler for loongarch64 hosts, WANG Xuerui, 2021/09/21