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From: Alistair Francis <alistair.francis@opensource.wdc.com>
To: qemu-devel@nongnu.org
Cc: alistair23@gmail.com, LIU Zhiwei <zhiwei_liu@c-sky.com>,
	Alistair Francis <alistair.francis@wdc.com>
Subject: [PULL 58/61] target/riscv: Adjust scalar reg in vector with XLEN
Date: Fri, 21 Jan 2022 15:58:27 +1000	[thread overview]
Message-ID: <20220121055830.3164408-59-alistair.francis@opensource.wdc.com> (raw)
In-Reply-To: <20220121055830.3164408-1-alistair.francis@opensource.wdc.com>

From: LIU Zhiwei <zhiwei_liu@c-sky.com>

When sew <= 32bits, not need to extend scalar reg.
When sew > 32bits, if xlen is less that sew, we should sign extend
the scalar register, except explicitly specified by the spec.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-21-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/insn_trans/trans_rvv.c.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
index e03959c46f..f85a9e83b4 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -1258,7 +1258,7 @@ static bool opivx_trans(uint32_t vd, uint32_t rs1, uint32_t vs2, uint32_t vm,
     dest = tcg_temp_new_ptr();
     mask = tcg_temp_new_ptr();
     src2 = tcg_temp_new_ptr();
-    src1 = get_gpr(s, rs1, EXT_NONE);
+    src1 = get_gpr(s, rs1, EXT_SIGN);
 
     data = FIELD_DP32(data, VDATA, VM, vm);
     data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
-- 
2.31.1



  parent reply	other threads:[~2022-01-21  7:42 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-21  5:57 [PULL 00/61] riscv-to-apply queue Alistair Francis
2022-01-21  5:57 ` [PULL 01/61] hw: timer: ibex_timer: Fixup reading w/o register Alistair Francis
2022-01-21  5:57 ` [PULL 02/61] riscv: opentitan: fixup plic stride len Alistair Francis
2022-01-21  5:57 ` [PULL 03/61] hw: timer: ibex_timer: update/add reg address Alistair Francis
2022-01-21  5:57 ` [PULL 04/61] update-linux-headers: Add asm-riscv/kvm.h Alistair Francis
2022-01-21  5:57 ` [PULL 05/61] target/riscv: Add target/riscv/kvm.c to place the public kvm interface Alistair Francis
2022-01-21  5:57 ` [PULL 06/61] target/riscv: Implement function kvm_arch_init_vcpu Alistair Francis
2022-01-21  5:57 ` [PULL 07/61] target/riscv: Implement kvm_arch_get_registers Alistair Francis
2022-01-21  5:57 ` [PULL 08/61] target/riscv: Implement kvm_arch_put_registers Alistair Francis
2022-01-21  5:57 ` [PULL 09/61] target/riscv: Support start kernel directly by KVM Alistair Francis
2022-01-21  5:57 ` [PULL 10/61] target/riscv: Support setting external interrupt " Alistair Francis
2022-01-21  5:57 ` [PULL 11/61] target/riscv: Handle KVM_EXIT_RISCV_SBI exit Alistair Francis
2022-01-21  5:57 ` [PULL 12/61] target/riscv: Add host cpu type Alistair Francis
2022-01-21  5:57 ` [PULL 13/61] target/riscv: Add kvm_riscv_get/put_regs_timer Alistair Francis
2022-01-21  5:57 ` [PULL 14/61] target/riscv: Implement virtual time adjusting with vm state changing Alistair Francis
2022-01-21  5:57 ` [PULL 15/61] target/riscv: Support virtual time context synchronization Alistair Francis
2022-01-21  5:57 ` [PULL 16/61] target/riscv: enable riscv kvm accel Alistair Francis
2022-01-21  5:57 ` [PULL 17/61] softmmu/device_tree: Silence compiler warning with --enable-sanitizers Alistair Francis
2022-01-21  5:57 ` [PULL 18/61] softmmu/device_tree: Remove redundant pointer assignment Alistair Francis
2022-01-21  5:57 ` [PULL 19/61] target/riscv: rvv-1.0: Add Zve64f extension into RISC-V Alistair Francis
2022-01-21  5:57 ` [PULL 20/61] target/riscv: rvv-1.0: Add Zve64f support for configuration insns Alistair Francis
2022-01-21  5:57 ` [PULL 21/61] target/riscv: rvv-1.0: Add Zve64f support for load and store insns Alistair Francis
2022-01-21  5:57 ` [PULL 22/61] target/riscv: rvv-1.0: Add Zve64f support for vmulh variant insns Alistair Francis
2022-01-21  5:57 ` [PULL 23/61] target/riscv: rvv-1.0: Add Zve64f support for vsmul.vv and vsmul.vx insns Alistair Francis
2022-01-21  5:57 ` [PULL 24/61] target/riscv: rvv-1.0: Add Zve64f support for scalar fp insns Alistair Francis
2022-01-21  5:57 ` [PULL 25/61] target/riscv: rvv-1.0: Add Zve64f support for single-width fp reduction insns Alistair Francis
2022-01-21  5:57 ` [PULL 26/61] target/riscv: rvv-1.0: Add Zve64f support for widening type-convert insns Alistair Francis
2022-01-21  5:57 ` [PULL 27/61] target/riscv: rvv-1.0: Add Zve64f support for narrowing " Alistair Francis
2022-01-21  5:57 ` [PULL 28/61] target/riscv: rvv-1.0: Allow Zve64f extension to be turned on Alistair Francis
2022-01-21  5:57 ` [PULL 29/61] target/riscv: rvv-1.0: Add Zve32f extension into RISC-V Alistair Francis
2022-01-21  5:57 ` [PULL 30/61] target/riscv: rvv-1.0: Add Zve32f support for configuration insns Alistair Francis
2022-01-21  5:58 ` [PULL 31/61] target/riscv: rvv-1.0: Add Zve32f support for scalar fp insns Alistair Francis
2022-01-21  5:58 ` [PULL 32/61] target/riscv: rvv-1.0: Add Zve32f support for single-width fp reduction insns Alistair Francis
2022-01-21  5:58 ` [PULL 33/61] target/riscv: rvv-1.0: Add Zve32f support for widening type-convert insns Alistair Francis
2022-01-21  5:58 ` [PULL 34/61] target/riscv: rvv-1.0: Add Zve32f support for narrowing " Alistair Francis
2022-01-21  5:58 ` [PULL 35/61] target/riscv: rvv-1.0: Allow Zve32f extension to be turned on Alistair Francis
2022-01-21  5:58 ` [PULL 36/61] hw/riscv: spike: Allow using binary firmware as bios Alistair Francis
2022-01-21  5:58 ` [PULL 37/61] hw/riscv: Remove macros for ELF BIOS image names Alistair Francis
2022-01-21  5:58 ` [PULL 38/61] roms/opensbi: Remove ELF images Alistair Francis
2022-01-21  5:58 ` [PULL 39/61] target/riscv: Adjust pmpcfg access with mxl Alistair Francis
2022-01-21  5:58 ` [PULL 40/61] target/riscv: Don't save pc when exception return Alistair Francis
2022-01-21  5:58 ` [PULL 41/61] target/riscv: Sign extend link reg for jal and jalr Alistair Francis
2022-01-21  5:58 ` [PULL 42/61] target/riscv: Sign extend pc for different XLEN Alistair Francis
2022-01-21  5:58 ` [PULL 43/61] target/riscv: Create xl field in env Alistair Francis
2022-01-21  5:58 ` [PULL 44/61] target/riscv: Ignore the pc bits above XLEN Alistair Francis
2022-01-21  5:58 ` [PULL 45/61] target/riscv: Extend pc for runtime pc write Alistair Francis
2022-01-21  5:58 ` [PULL 46/61] target/riscv: Use gdb xml according to max mxlen Alistair Francis
2022-01-21  5:58 ` [PULL 47/61] target/riscv: Relax debug check for pm write Alistair Francis
2022-01-21  5:58 ` [PULL 48/61] target/riscv: Adjust csr write mask with XLEN Alistair Francis
2022-01-21  5:58 ` [PULL 49/61] target/riscv: Create current pm fields in env Alistair Francis
2022-01-21  5:58 ` [PULL 50/61] target/riscv: Alloc tcg global for cur_pm[mask|base] Alistair Francis
2022-01-21  5:58 ` [PULL 51/61] target/riscv: Calculate address according to XLEN Alistair Francis
2022-01-21  5:58 ` [PULL 52/61] target/riscv: Split pm_enabled into mask and base Alistair Francis
2022-01-21  5:58 ` [PULL 53/61] target/riscv: Split out the vill from vtype Alistair Francis
2022-01-28 16:10   ` Peter Maydell
2022-02-01  2:12     ` Alistair Francis
2022-02-01  6:47       ` LIU Zhiwei
2022-01-21  5:58 ` [PULL 54/61] target/riscv: Adjust vsetvl according to XLEN Alistair Francis
2022-01-21  5:58 ` [PULL 55/61] target/riscv: Remove VILL field in VTYPE Alistair Francis
2022-01-21  5:58 ` [PULL 56/61] target/riscv: Fix check range for first fault only Alistair Francis
2022-01-21  5:58 ` [PULL 57/61] target/riscv: Adjust vector address with mask Alistair Francis
2022-01-21  5:58 ` Alistair Francis [this message]
2022-01-21  5:58 ` [PULL 59/61] target/riscv: Set default XLEN for hypervisor Alistair Francis
2022-01-21  5:58 ` [PULL 60/61] target/riscv: Enable uxl field write Alistair Francis
2022-01-21  5:58 ` [PULL 61/61] target/riscv: Relax UXL field for debugging Alistair Francis
2022-01-21 12:58 ` [PULL 00/61] riscv-to-apply queue Peter Maydell

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