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[Qemu-devel] [PATCH v5 06/16] tcg/ppc: Add support for vector maximum/mi
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v5 06/16] tcg/ppc: Add support for vector maximum/minimum |
Date: |
Sun, 23 Jun 2019 19:04:39 +0200 |
From: Richard Henderson <address@hidden>
Add support for vector maximum/minimum using Altivec instructions
VMAXSB, VMAXSH, VMAXSW, VMAXUB, VMAXUH, VMAXUW, and
VMINSB, VMINSH, VMINSW, VMINUB, VMINUH, VMINUW.
Signed-off-by: Richard Henderson <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
---
tcg/ppc/tcg-target.h | 2 +-
tcg/ppc/tcg-target.inc.c | 40 +++++++++++++++++++++++++++++++++++++++-
2 files changed, 40 insertions(+), 2 deletions(-)
diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h
index b66a808..a86ed57 100644
--- a/tcg/ppc/tcg-target.h
+++ b/tcg/ppc/tcg-target.h
@@ -156,7 +156,7 @@ extern bool have_isa_3_00;
#define TCG_TARGET_HAS_cmp_vec 1
#define TCG_TARGET_HAS_mul_vec 0
#define TCG_TARGET_HAS_sat_vec 0
-#define TCG_TARGET_HAS_minmax_vec 0
+#define TCG_TARGET_HAS_minmax_vec 1
#define TCG_TARGET_HAS_bitsel_vec 0
#define TCG_TARGET_HAS_cmpsel_vec 0
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index d3e4557..e1142e7 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -474,6 +474,19 @@ static int tcg_target_const_match(tcg_target_long val,
TCGType type,
#define STVX XO31(231)
#define STVEWX XO31(199)
+#define VMAXSB VX4(258)
+#define VMAXSH VX4(322)
+#define VMAXSW VX4(386)
+#define VMAXUB VX4(2)
+#define VMAXUH VX4(66)
+#define VMAXUW VX4(130)
+#define VMINSB VX4(770)
+#define VMINSH VX4(834)
+#define VMINSW VX4(898)
+#define VMINUB VX4(514)
+#define VMINUH VX4(578)
+#define VMINUW VX4(642)
+
#define VCMPEQUB VX4(6)
#define VCMPEQUH VX4(70)
#define VCMPEQUW VX4(134)
@@ -2818,6 +2831,11 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type,
unsigned vece)
case INDEX_op_andc_vec:
case INDEX_op_not_vec:
return 1;
+ case INDEX_op_smax_vec:
+ case INDEX_op_smin_vec:
+ case INDEX_op_umax_vec:
+ case INDEX_op_umin_vec:
+ return vece <= MO_32;
case INDEX_op_cmp_vec:
return vece <= MO_32 ? -1 : 0;
default:
@@ -2916,7 +2934,11 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
static const uint32_t
eq_op[4] = { VCMPEQUB, VCMPEQUH, VCMPEQUW, 0 },
gts_op[4] = { VCMPGTSB, VCMPGTSH, VCMPGTSW, 0 },
- gtu_op[4] = { VCMPGTUB, VCMPGTUH, VCMPGTUW, 0 };
+ gtu_op[4] = { VCMPGTUB, VCMPGTUH, VCMPGTUW, 0 },
+ umin_op[4] = { VMINUB, VMINUH, VMINUW, 0 },
+ smin_op[4] = { VMINSB, VMINSH, VMINSW, 0 },
+ umax_op[4] = { VMAXUB, VMAXUH, VMAXUW, 0 },
+ smax_op[4] = { VMAXSB, VMAXSH, VMAXSW, 0 };
TCGType type = vecl + TCG_TYPE_V64;
TCGArg a0 = args[0], a1 = args[1], a2 = args[2];
@@ -2933,6 +2955,18 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
tcg_out_dupm_vec(s, type, vece, a0, a1, a2);
return;
+ case INDEX_op_smin_vec:
+ insn = smin_op[vece];
+ break;
+ case INDEX_op_umin_vec:
+ insn = umin_op[vece];
+ break;
+ case INDEX_op_smax_vec:
+ insn = smax_op[vece];
+ break;
+ case INDEX_op_umax_vec:
+ insn = umax_op[vece];
+ break;
case INDEX_op_and_vec:
insn = VAND;
break;
@@ -3225,6 +3259,10 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode
op)
case INDEX_op_andc_vec:
case INDEX_op_orc_vec:
case INDEX_op_cmp_vec:
+ case INDEX_op_smax_vec:
+ case INDEX_op_smin_vec:
+ case INDEX_op_umax_vec:
+ case INDEX_op_umin_vec:
return &v_v_v;
case INDEX_op_not_vec:
case INDEX_op_dup_vec:
--
2.7.4
- [Qemu-devel] [PATCH v5 00/16] tcg/ppc: Add vector opcodes, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 06/16] tcg/ppc: Add support for vector maximum/minimum,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v5 09/16] tcg/ppc: Prepare case for vector multiply, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 07/16] tcg/ppc: Add support for vector add/subtract, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 10/16] tcg/ppc: Add empty file tcg-target.opc.h, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 05/16] tcg/ppc: Add support for load/store/logic/comparison, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 08/16] tcg/ppc: Add support for vector saturated add/subtract, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 01/16] tcg/ppc: Introduce Altivec registers, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 14/16] tcg/ppc: Update vector support to v2.06, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 11/16] tcg/ppc: Support vector shift by immediate, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 02/16] tcg/ppc: Introduce flag have_isa_altivec, Aleksandar Markovic, 2019/06/23
- [Qemu-devel] [PATCH v5 15/16] tcg/ppc: Update vector support to v2.07, Aleksandar Markovic, 2019/06/23