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[PATCH v7 09/22] tcg/ppc: Add support for vector maximum/minimum
From: |
Richard Henderson |
Subject: |
[PATCH v7 09/22] tcg/ppc: Add support for vector maximum/minimum |
Date: |
Mon, 30 Sep 2019 13:21:12 -0700 |
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 a0e59a5074..13699f1b63 100644
--- a/tcg/ppc/tcg-target.h
+++ b/tcg/ppc/tcg-target.h
@@ -164,7 +164,7 @@ extern bool have_altivec;
#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 1a8d7dc925..6879be6f80 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -471,6 +471,19 @@ 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)
@@ -2817,6 +2830,11 @@ 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:
@@ -2914,7 +2932,11 @@ 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];
@@ -2931,6 +2953,18 @@ 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;
@@ -3223,6 +3257,10 @@ 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:
--
2.17.1
- [PATCH v7 00/22] tcg/ppc: Add vector opcodes, Richard Henderson, 2019/09/30
- [PATCH v7 01/22] tcg/ppc: Introduce Altivec registers, Richard Henderson, 2019/09/30
- [PATCH v7 02/22] tcg/ppc: Introduce macro VX4(), Richard Henderson, 2019/09/30
- [PATCH v7 03/22] tcg/ppc: Introduce macros VRT(), VRA(), VRB(), VRC(), Richard Henderson, 2019/09/30
- [PATCH v7 05/22] tcg/ppc: Replace HAVE_ISA_2_06, Richard Henderson, 2019/09/30
- [PATCH v7 06/22] tcg/ppc: Replace HAVE_ISEL macro with a variable, Richard Henderson, 2019/09/30
- [PATCH v7 04/22] tcg/ppc: Create TCGPowerISA and have_isa, Richard Henderson, 2019/09/30
- [PATCH v7 07/22] tcg/ppc: Enable tcg backend vector compilation, Richard Henderson, 2019/09/30
- [PATCH v7 10/22] tcg/ppc: Add support for vector add/subtract, Richard Henderson, 2019/09/30
- [PATCH v7 08/22] tcg/ppc: Add support for load/store/logic/comparison, Richard Henderson, 2019/09/30
- [PATCH v7 09/22] tcg/ppc: Add support for vector maximum/minimum,
Richard Henderson <=
- [PATCH v7 11/22] tcg/ppc: Add support for vector saturated add/subtract, Richard Henderson, 2019/09/30
- [PATCH v7 14/22] tcg/ppc: Support vector dup2, Richard Henderson, 2019/09/30
- [PATCH v7 12/22] tcg/ppc: Support vector shift by immediate, Richard Henderson, 2019/09/30
- [PATCH v7 13/22] tcg/ppc: Support vector multiply, Richard Henderson, 2019/09/30
- [PATCH v7 15/22] tcg/ppc: Enable Altivec detection, Richard Henderson, 2019/09/30
- [PATCH v7 18/22] tcg/ppc: Update vector support for v2.07 VSX, Richard Henderson, 2019/09/30
- [PATCH v7 16/22] tcg/ppc: Update vector support for VSX, Richard Henderson, 2019/09/30
- [PATCH v7 17/22] tcg/ppc: Update vector support for v2.07 Altivec, Richard Henderson, 2019/09/30
- [PATCH v7 19/22] tcg/ppc: Update vector support for v2.07 FP, Richard Henderson, 2019/09/30
- [PATCH v7 20/22] tcg/ppc: Update vector support for v3.00 Altivec, Richard Henderson, 2019/09/30