[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PULL 11/31] tcg/loongarch64: Implement sign-/zero-extension ops
From: |
Richard Henderson |
Subject: |
[PULL 11/31] tcg/loongarch64: Implement sign-/zero-extension ops |
Date: |
Tue, 21 Dec 2021 08:47:17 -0800 |
From: WANG Xuerui <git@xen0n.name>
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: <20211221054105.178795-12-git@xen0n.name>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/loongarch64/tcg-target-con-set.h | 1 +
tcg/loongarch64/tcg-target.h | 24 ++++----
tcg/loongarch64/tcg-target.c.inc | 82 ++++++++++++++++++++++++++++
3 files changed, 95 insertions(+), 12 deletions(-)
diff --git a/tcg/loongarch64/tcg-target-con-set.h
b/tcg/loongarch64/tcg-target-con-set.h
index 5cc4407367..7e459490ea 100644
--- a/tcg/loongarch64/tcg-target-con-set.h
+++ b/tcg/loongarch64/tcg-target-con-set.h
@@ -15,3 +15,4 @@
* tcg-target-con-str.h; the constraint combination is inclusive or.
*/
C_O0_I1(r)
+C_O1_I1(r, r)
diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h
index 25328646f0..a6d9e036fc 100644
--- a/tcg/loongarch64/tcg-target.h
+++ b/tcg/loongarch64/tcg-target.h
@@ -107,10 +107,10 @@ typedef enum {
#define TCG_TARGET_HAS_muls2_i32 0
#define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0
-#define TCG_TARGET_HAS_ext8s_i32 0
-#define TCG_TARGET_HAS_ext16s_i32 0
-#define TCG_TARGET_HAS_ext8u_i32 0
-#define TCG_TARGET_HAS_ext16u_i32 0
+#define TCG_TARGET_HAS_ext8s_i32 1
+#define TCG_TARGET_HAS_ext16s_i32 1
+#define TCG_TARGET_HAS_ext8u_i32 1
+#define TCG_TARGET_HAS_ext16u_i32 1
#define TCG_TARGET_HAS_bswap16_i32 0
#define TCG_TARGET_HAS_bswap32_i32 0
#define TCG_TARGET_HAS_not_i32 0
@@ -138,14 +138,14 @@ typedef enum {
#define TCG_TARGET_HAS_extract_i64 0
#define TCG_TARGET_HAS_sextract_i64 0
#define TCG_TARGET_HAS_extract2_i64 0
-#define TCG_TARGET_HAS_extrl_i64_i32 0
-#define TCG_TARGET_HAS_extrh_i64_i32 0
-#define TCG_TARGET_HAS_ext8s_i64 0
-#define TCG_TARGET_HAS_ext16s_i64 0
-#define TCG_TARGET_HAS_ext32s_i64 0
-#define TCG_TARGET_HAS_ext8u_i64 0
-#define TCG_TARGET_HAS_ext16u_i64 0
-#define TCG_TARGET_HAS_ext32u_i64 0
+#define TCG_TARGET_HAS_extrl_i64_i32 1
+#define TCG_TARGET_HAS_extrh_i64_i32 1
+#define TCG_TARGET_HAS_ext8s_i64 1
+#define TCG_TARGET_HAS_ext16s_i64 1
+#define TCG_TARGET_HAS_ext32s_i64 1
+#define TCG_TARGET_HAS_ext8u_i64 1
+#define TCG_TARGET_HAS_ext16u_i64 1
+#define TCG_TARGET_HAS_ext32u_i64 1
#define TCG_TARGET_HAS_bswap16_i64 0
#define TCG_TARGET_HAS_bswap32_i64 0
#define TCG_TARGET_HAS_bswap64_i64 0
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 3a8c52465b..25b58c7828 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -382,6 +382,36 @@ static void tcg_out_movi(TCGContext *s, TCGType type,
TCGReg rd,
}
}
+static void tcg_out_ext8u(TCGContext *s, TCGReg ret, TCGReg arg)
+{
+ tcg_out_opc_andi(s, ret, arg, 0xff);
+}
+
+static void tcg_out_ext16u(TCGContext *s, TCGReg ret, TCGReg arg)
+{
+ tcg_out_opc_bstrpick_w(s, ret, arg, 0, 15);
+}
+
+static void tcg_out_ext32u(TCGContext *s, TCGReg ret, TCGReg arg)
+{
+ tcg_out_opc_bstrpick_d(s, ret, arg, 0, 31);
+}
+
+static void tcg_out_ext8s(TCGContext *s, TCGReg ret, TCGReg arg)
+{
+ tcg_out_opc_sext_b(s, ret, arg);
+}
+
+static void tcg_out_ext16s(TCGContext *s, TCGReg ret, TCGReg arg)
+{
+ tcg_out_opc_sext_h(s, ret, arg);
+}
+
+static void tcg_out_ext32s(TCGContext *s, TCGReg ret, TCGReg arg)
+{
+ tcg_out_opc_addi_w(s, ret, arg, 0);
+}
+
/*
* Entry-points
*/
@@ -391,6 +421,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const int const_args[TCG_MAX_OP_ARGS])
{
TCGArg a0 = args[0];
+ TCGArg a1 = args[1];
switch (opc) {
case INDEX_op_mb:
@@ -401,6 +432,41 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_opc_jirl(s, TCG_REG_ZERO, a0, 0);
break;
+ case INDEX_op_ext8s_i32:
+ case INDEX_op_ext8s_i64:
+ tcg_out_ext8s(s, a0, a1);
+ break;
+
+ case INDEX_op_ext8u_i32:
+ case INDEX_op_ext8u_i64:
+ tcg_out_ext8u(s, a0, a1);
+ break;
+
+ case INDEX_op_ext16s_i32:
+ case INDEX_op_ext16s_i64:
+ tcg_out_ext16s(s, a0, a1);
+ break;
+
+ case INDEX_op_ext16u_i32:
+ case INDEX_op_ext16u_i64:
+ tcg_out_ext16u(s, a0, a1);
+ break;
+
+ case INDEX_op_ext32u_i64:
+ case INDEX_op_extu_i32_i64:
+ tcg_out_ext32u(s, a0, a1);
+ break;
+
+ case INDEX_op_ext32s_i64:
+ case INDEX_op_extrl_i64_i32:
+ case INDEX_op_ext_i32_i64:
+ tcg_out_ext32s(s, a0, a1);
+ break;
+
+ case INDEX_op_extrh_i64_i32:
+ tcg_out_opc_srai_d(s, a0, a1, 32);
+ break;
+
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
default:
@@ -414,6 +480,22 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode
op)
case INDEX_op_goto_ptr:
return C_O0_I1(r);
+ case INDEX_op_ext8s_i32:
+ case INDEX_op_ext8s_i64:
+ case INDEX_op_ext8u_i32:
+ case INDEX_op_ext8u_i64:
+ case INDEX_op_ext16s_i32:
+ case INDEX_op_ext16s_i64:
+ case INDEX_op_ext16u_i32:
+ case INDEX_op_ext16u_i64:
+ case INDEX_op_ext32s_i64:
+ case INDEX_op_ext32u_i64:
+ case INDEX_op_extu_i32_i64:
+ case INDEX_op_extrl_i64_i32:
+ case INDEX_op_extrh_i64_i32:
+ case INDEX_op_ext_i32_i64:
+ return C_O1_I1(r, r);
+
default:
g_assert_not_reached();
}
--
2.25.1
- [PULL 07/31] tcg/loongarch64: Implement necessary relocation operations, (continued)
- [PULL 07/31] tcg/loongarch64: Implement necessary relocation operations, Richard Henderson, 2021/12/21
- [PULL 06/31] tcg/loongarch64: Define the operand constraints, Richard Henderson, 2021/12/21
- [PULL 14/31] tcg/loongarch64: Implement bswap{16,32,64} ops, Richard Henderson, 2021/12/21
- [PULL 13/31] tcg/loongarch64: Implement deposit/extract ops, Richard Henderson, 2021/12/21
- [PULL 12/31] tcg/loongarch64: Implement not/and/or/xor/nor/andc/orc ops, Richard Henderson, 2021/12/21
- [PULL 15/31] tcg/loongarch64: Implement clz/ctz ops, Richard Henderson, 2021/12/21
- [PULL 16/31] tcg/loongarch64: Implement shl/shr/sar/rotl/rotr ops, Richard Henderson, 2021/12/21
- [PULL 17/31] tcg/loongarch64: Implement add/sub ops, Richard Henderson, 2021/12/21
- [PULL 18/31] tcg/loongarch64: Implement mul/mulsh/muluh/div/divu/rem/remu ops, Richard Henderson, 2021/12/21
- [PULL 19/31] tcg/loongarch64: Implement br/brcond ops, Richard Henderson, 2021/12/21
- [PULL 11/31] tcg/loongarch64: Implement sign-/zero-extension ops,
Richard Henderson <=
- [PULL 23/31] tcg/loongarch64: Add softmmu load/store helpers, implement qemu_ld/qemu_st ops, Richard Henderson, 2021/12/21
- [PULL 20/31] tcg/loongarch64: Implement setcond ops, Richard Henderson, 2021/12/21
- [PULL 26/31] tcg/loongarch64: Implement tcg_target_init, Richard Henderson, 2021/12/21
- [PULL 08/31] tcg/loongarch64: Implement the memory barrier op, Richard Henderson, 2021/12/21
- [PULL 22/31] tcg/loongarch64: Implement simple load/store ops, Richard Henderson, 2021/12/21
- [PULL 10/31] tcg/loongarch64: Implement goto_ptr, Richard Henderson, 2021/12/21
- [PULL 24/31] tcg/loongarch64: Implement tcg_target_qemu_prologue, Richard Henderson, 2021/12/21
- [PULL 29/31] linux-user: Implement CPU-specific signal handler for loongarch64 hosts, Richard Henderson, 2021/12/21
- [PULL 28/31] common-user: Add safe syscall handling for loongarch64 hosts, Richard Henderson, 2021/12/21
- [PULL 30/31] configure, meson.build: Mark support for loongarch64 hosts, Richard Henderson, 2021/12/21