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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, "Alex Bennée" <alex.bennee@linaro.org>
Subject: [PULL 09/30] tcg/i386: Implement avx512 variable shifts
Date: Thu,  3 Mar 2022 10:59:23 -1000	[thread overview]
Message-ID: <20220303205944.469445-10-richard.henderson@linaro.org> (raw)
In-Reply-To: <20220303205944.469445-1-richard.henderson@linaro.org>

AVX512VL has VPSRAVQ, and
AVX512BW has VPSLLVW, VPSRAVW, VPSRLVW.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/i386/tcg-target.c.inc | 32 ++++++++++++++++++++++++--------
 1 file changed, 24 insertions(+), 8 deletions(-)

diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 6a53f378cc..055db88422 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -419,9 +419,13 @@ static bool tcg_target_const_match(int64_t val, TCGType type, int ct)
 #define OPC_VPBROADCASTQ (0x59 | P_EXT38 | P_DATA16)
 #define OPC_VPERMQ      (0x00 | P_EXT3A | P_DATA16 | P_VEXW)
 #define OPC_VPERM2I128  (0x46 | P_EXT3A | P_DATA16 | P_VEXL)
+#define OPC_VPSLLVW     (0x12 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
 #define OPC_VPSLLVD     (0x47 | P_EXT38 | P_DATA16)
 #define OPC_VPSLLVQ     (0x47 | P_EXT38 | P_DATA16 | P_VEXW)
+#define OPC_VPSRAVW     (0x11 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
 #define OPC_VPSRAVD     (0x46 | P_EXT38 | P_DATA16)
+#define OPC_VPSRAVQ     (0x46 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
+#define OPC_VPSRLVW     (0x10 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
 #define OPC_VPSRLVD     (0x45 | P_EXT38 | P_DATA16)
 #define OPC_VPSRLVQ     (0x45 | P_EXT38 | P_DATA16 | P_VEXW)
 #define OPC_VZEROUPPER  (0x77 | P_EXT)
@@ -2835,16 +2839,13 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         OPC_PMAXUB, OPC_PMAXUW, OPC_PMAXUD, OPC_UD2
     };
     static int const shlv_insn[4] = {
-        /* TODO: AVX512 adds support for MO_16.  */
-        OPC_UD2, OPC_UD2, OPC_VPSLLVD, OPC_VPSLLVQ
+        OPC_UD2, OPC_VPSLLVW, OPC_VPSLLVD, OPC_VPSLLVQ
     };
     static int const shrv_insn[4] = {
-        /* TODO: AVX512 adds support for MO_16.  */
-        OPC_UD2, OPC_UD2, OPC_VPSRLVD, OPC_VPSRLVQ
+        OPC_UD2, OPC_VPSRLVW, OPC_VPSRLVD, OPC_VPSRLVQ
     };
     static int const sarv_insn[4] = {
-        /* TODO: AVX512 adds support for MO_16, MO_64.  */
-        OPC_UD2, OPC_UD2, OPC_VPSRAVD, OPC_UD2
+        OPC_UD2, OPC_VPSRAVW, OPC_VPSRAVD, OPC_VPSRAVQ
     };
     static int const shls_insn[4] = {
         OPC_UD2, OPC_PSLLW, OPC_PSLLD, OPC_PSLLQ
@@ -3335,9 +3336,24 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
 
     case INDEX_op_shlv_vec:
     case INDEX_op_shrv_vec:
-        return have_avx2 && vece >= MO_32;
+        switch (vece) {
+        case MO_16:
+            return have_avx512bw;
+        case MO_32:
+        case MO_64:
+            return have_avx2;
+        }
+        return 0;
     case INDEX_op_sarv_vec:
-        return have_avx2 && vece == MO_32;
+        switch (vece) {
+        case MO_16:
+            return have_avx512bw;
+        case MO_32:
+            return have_avx2;
+        case MO_64:
+            return have_avx512vl;
+        }
+        return 0;
     case INDEX_op_rotlv_vec:
     case INDEX_op_rotrv_vec:
         return have_avx2 && vece >= MO_32 ? -1 : 0;
-- 
2.25.1



  parent reply	other threads:[~2022-03-03 21:13 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-03 20:59 [PULL 00/30] tcg patch queue Richard Henderson
2022-03-03 20:59 ` [PULL 01/30] tcg/optimize: only read val after const check Richard Henderson
2022-03-03 20:59 ` [PULL 02/30] tcg: Set MAX_OPC_PARAM_IARGS to 7 Richard Henderson
2022-03-03 20:59 ` [PULL 03/30] tcg: Add opcodes for vector nand, nor, eqv Richard Henderson
2022-03-03 20:59 ` [PULL 04/30] tcg/ppc: Implement vector NAND, NOR, EQV Richard Henderson
2022-03-03 20:59 ` [PULL 05/30] tcg/s390x: " Richard Henderson
2022-03-03 20:59 ` [PULL 06/30] tcg/i386: Detect AVX512 Richard Henderson
2022-03-03 20:59 ` [PULL 07/30] tcg/i386: Add tcg_out_evex_opc Richard Henderson
2022-03-03 20:59 ` [PULL 08/30] tcg/i386: Use tcg_can_emit_vec_op in expand_vec_cmp_noinv Richard Henderson
2022-03-03 20:59 ` Richard Henderson [this message]
2022-03-03 20:59 ` [PULL 10/30] tcg/i386: Implement avx512 scalar shift Richard Henderson
2022-03-03 20:59 ` [PULL 11/30] tcg/i386: Implement avx512 immediate sari shift Richard Henderson
2022-03-03 20:59 ` [PULL 12/30] tcg/i386: Implement avx512 immediate rotate Richard Henderson
2022-03-03 20:59 ` [PULL 13/30] tcg/i386: Implement avx512 variable rotate Richard Henderson
2022-03-03 20:59 ` [PULL 14/30] tcg/i386: Support avx512vbmi2 vector shift-double instructions Richard Henderson
2022-03-03 20:59 ` [PULL 15/30] tcg/i386: Expand vector word rotate as avx512vbmi2 shift-double Richard Henderson
2022-03-03 20:59 ` [PULL 16/30] tcg/i386: Remove rotls_vec from tcg_target_op_def Richard Henderson
2022-03-03 20:59 ` [PULL 17/30] tcg/i386: Expand scalar rotate with avx512 insns Richard Henderson
2022-03-03 20:59 ` [PULL 18/30] tcg/i386: Implement avx512 min/max/abs Richard Henderson
2022-03-03 20:59 ` [PULL 19/30] tcg/i386: Implement avx512 multiply Richard Henderson
2022-03-03 20:59 ` [PULL 20/30] tcg/i386: Implement more logical operations for avx512 Richard Henderson
2022-03-03 20:59 ` [PULL 21/30] tcg/i386: Implement bitsel " Richard Henderson
2022-03-03 20:59 ` [PULL 22/30] tcg: Add TCG_TARGET_SIGNED_ADDR32 Richard Henderson
2022-03-03 20:59 ` [PULL 23/30] accel/tcg: Split out g2h_tlbe Richard Henderson
2022-03-03 20:59 ` [PULL 24/30] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu Richard Henderson
2022-03-03 20:59 ` [PULL 25/30] accel/tcg: Add guest_base_signed_addr32 for user-only Richard Henderson
2022-03-03 20:59 ` [PULL 26/30] linux-user: Support TCG_TARGET_SIGNED_ADDR32 Richard Henderson
2022-03-03 20:59 ` [PULL 27/30] tcg/aarch64: " Richard Henderson
2022-03-03 20:59 ` [PULL 28/30] tcg/mips: " Richard Henderson
2022-03-03 20:59 ` [PULL 29/30] tcg/riscv: " Richard Henderson
2022-03-03 20:59 ` [PULL 30/30] tcg/loongarch64: " Richard Henderson
2022-03-04 15:22 ` [PULL 00/30] tcg patch queue Peter Maydell
2022-03-04 18:47   ` Richard Henderson

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