From: WANG Xuerui <git@xen0n.name>
To: qemu-devel@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"XiaoJuan Yang" <yangxiaojuan@loongson.cn>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
"Laurent Vivier" <laurent@vivier.eu>,
"WANG Xuerui" <git@xen0n.name>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Song Gao" <gaosong@loongson.cn>
Subject: [PATCH v11 20/31] tcg/loongarch64: Implement setcond ops
Date: Tue, 21 Dec 2021 13:40:54 +0800 [thread overview]
Message-ID: <20211221054105.178795-21-git@xen0n.name> (raw)
In-Reply-To: <20211221054105.178795-1-git@xen0n.name>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/loongarch64/tcg-target-con-set.h | 1 +
tcg/loongarch64/tcg-target.c.inc | 69 ++++++++++++++++++++++++++++
2 files changed, 70 insertions(+)
diff --git a/tcg/loongarch64/tcg-target-con-set.h b/tcg/loongarch64/tcg-target-con-set.h
index 367689c2e2..a2ec61237e 100644
--- a/tcg/loongarch64/tcg-target-con-set.h
+++ b/tcg/loongarch64/tcg-target-con-set.h
@@ -22,6 +22,7 @@ C_O1_I2(r, r, ri)
C_O1_I2(r, r, rI)
C_O1_I2(r, r, rU)
C_O1_I2(r, r, rW)
+C_O1_I2(r, r, rZ)
C_O1_I2(r, 0, rZ)
C_O1_I2(r, rZ, rN)
C_O1_I2(r, rZ, rZ)
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index aedfc0df84..23c151f473 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -434,6 +434,66 @@ static void tcg_out_clzctz(TCGContext *s, LoongArchInsn opc,
tcg_out_opc_or(s, a0, TCG_REG_TMP0, a0);
}
+static void tcg_out_setcond(TCGContext *s, TCGCond cond, TCGReg ret,
+ TCGReg arg1, TCGReg arg2, bool c2)
+{
+ TCGReg tmp;
+
+ if (c2) {
+ tcg_debug_assert(arg2 == 0);
+ }
+
+ switch (cond) {
+ case TCG_COND_EQ:
+ if (c2) {
+ tmp = arg1;
+ } else {
+ tcg_out_opc_sub_d(s, ret, arg1, arg2);
+ tmp = ret;
+ }
+ tcg_out_opc_sltui(s, ret, tmp, 1);
+ break;
+ case TCG_COND_NE:
+ if (c2) {
+ tmp = arg1;
+ } else {
+ tcg_out_opc_sub_d(s, ret, arg1, arg2);
+ tmp = ret;
+ }
+ tcg_out_opc_sltu(s, ret, TCG_REG_ZERO, tmp);
+ break;
+ case TCG_COND_LT:
+ tcg_out_opc_slt(s, ret, arg1, arg2);
+ break;
+ case TCG_COND_GE:
+ tcg_out_opc_slt(s, ret, arg1, arg2);
+ tcg_out_opc_xori(s, ret, ret, 1);
+ break;
+ case TCG_COND_LE:
+ tcg_out_setcond(s, TCG_COND_GE, ret, arg2, arg1, false);
+ break;
+ case TCG_COND_GT:
+ tcg_out_setcond(s, TCG_COND_LT, ret, arg2, arg1, false);
+ break;
+ case TCG_COND_LTU:
+ tcg_out_opc_sltu(s, ret, arg1, arg2);
+ break;
+ case TCG_COND_GEU:
+ tcg_out_opc_sltu(s, ret, arg1, arg2);
+ tcg_out_opc_xori(s, ret, ret, 1);
+ break;
+ case TCG_COND_LEU:
+ tcg_out_setcond(s, TCG_COND_GEU, ret, arg2, arg1, false);
+ break;
+ case TCG_COND_GTU:
+ tcg_out_setcond(s, TCG_COND_LTU, ret, arg2, arg1, false);
+ break;
+ default:
+ g_assert_not_reached();
+ break;
+ }
+}
+
/*
* Branch helpers
*/
@@ -815,6 +875,11 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_opc_mod_du(s, a0, a1, a2);
break;
+ case INDEX_op_setcond_i32:
+ case INDEX_op_setcond_i64:
+ tcg_out_setcond(s, args[3], a0, a1, a2, c2);
+ break;
+
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
default:
@@ -901,6 +966,10 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_ctz_i64:
return C_O1_I2(r, r, rW);
+ case INDEX_op_setcond_i32:
+ case INDEX_op_setcond_i64:
+ return C_O1_I2(r, r, rZ);
+
case INDEX_op_deposit_i32:
case INDEX_op_deposit_i64:
/* Must deposit into the same register as input */
--
2.34.0
next prev parent reply other threads:[~2021-12-21 6:05 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-21 5:40 [PATCH v11 00/31] LoongArch64 port of QEMU TCG WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 01/31] elf: Add machine type value for LoongArch WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 02/31] MAINTAINERS: Add tcg/loongarch64 entry with myself as maintainer WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 03/31] tcg/loongarch64: Add the tcg-target.h file WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 04/31] tcg/loongarch64: Add generated instruction opcodes and encoding helpers WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 05/31] tcg/loongarch64: Add register names, allocation order and input/output sets WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 06/31] tcg/loongarch64: Define the operand constraints WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 07/31] tcg/loongarch64: Implement necessary relocation operations WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 08/31] tcg/loongarch64: Implement the memory barrier op WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 09/31] tcg/loongarch64: Implement tcg_out_mov and tcg_out_movi WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 10/31] tcg/loongarch64: Implement goto_ptr WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 11/31] tcg/loongarch64: Implement sign-/zero-extension ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 12/31] tcg/loongarch64: Implement not/and/or/xor/nor/andc/orc ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 13/31] tcg/loongarch64: Implement deposit/extract ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 14/31] tcg/loongarch64: Implement bswap{16,32,64} ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 15/31] tcg/loongarch64: Implement clz/ctz ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 16/31] tcg/loongarch64: Implement shl/shr/sar/rotl/rotr ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 17/31] tcg/loongarch64: Implement add/sub ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 18/31] tcg/loongarch64: Implement mul/mulsh/muluh/div/divu/rem/remu ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 19/31] tcg/loongarch64: Implement br/brcond ops WANG Xuerui
2021-12-21 5:40 ` WANG Xuerui [this message]
2021-12-21 5:40 ` [PATCH v11 21/31] tcg/loongarch64: Implement tcg_out_call WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 22/31] tcg/loongarch64: Implement simple load/store ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 23/31] tcg/loongarch64: Add softmmu load/store helpers, implement qemu_ld/qemu_st ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 24/31] tcg/loongarch64: Implement tcg_target_qemu_prologue WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 25/31] tcg/loongarch64: Implement exit_tb/goto_tb WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 26/31] tcg/loongarch64: Implement tcg_target_init WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 27/31] tcg/loongarch64: Register the JIT WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 28/31] common-user: Add safe syscall handling for loongarch64 hosts WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 29/31] linux-user: Implement CPU-specific signal handler " WANG Xuerui
2021-12-30 3:11 ` gaosong
2021-12-30 3:50 ` WANG Xuerui
2022-01-04 12:48 ` Philippe Mathieu-Daudé
2021-12-21 5:41 ` [PATCH v11 30/31] configure, meson.build: Mark support " WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 31/31] tests/docker: Add gentoo-loongarch64-cross image and run cross builds in GitLab WANG Xuerui
2021-12-21 8:44 ` [PATCH v11 00/31] LoongArch64 port of QEMU TCG Philippe Mathieu-Daudé
2021-12-21 9:36 ` gaosong
2021-12-21 12:00 ` Philippe Mathieu-Daudé
2021-12-23 2:00 ` gaosong
2021-12-21 16:49 ` Richard Henderson
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