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[PATCH v3 04/10] target/arm/translate-a64:Remove redundant statement in
From: |
Chen Qun |
Subject: |
[PATCH v3 04/10] target/arm/translate-a64:Remove redundant statement in disas_simd_two_reg_misc_fp16() |
Date: |
Thu, 27 Aug 2020 19:03:05 +0800 |
Clang static code analyzer show warning:
target/arm/translate-a64.c:13007:5: warning: Value stored to 'rd' is never read
rd = extract32(insn, 0, 5);
^ ~~~~~~~~~~~~~~~~~~~~~
target/arm/translate-a64.c:13008:5: warning: Value stored to 'rn' is never read
rn = extract32(insn, 5, 5);
^ ~~~~~~~~~~~~~~~~~~~~~
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm@nongnu.org
---
target/arm/translate-a64.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index c83bb85e4e..47cce160d8 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -13016,9 +13016,6 @@ static void disas_simd_two_reg_misc_fp16(DisasContext
*s, uint32_t insn)
fpop = deposit32(opcode, 5, 1, a);
fpop = deposit32(fpop, 6, 1, u);
- rd = extract32(insn, 0, 5);
- rn = extract32(insn, 5, 5);
-
switch (fpop) {
case 0x1d: /* SCVTF */
case 0x5d: /* UCVTF */
--
2.23.0
- [PATCH v3 00/10] trivial patchs for static code analyzer fixes, Chen Qun, 2020/08/27
- [PATCH v3 04/10] target/arm/translate-a64:Remove redundant statement in disas_simd_two_reg_misc_fp16(),
Chen Qun <=
- [PATCH v3 01/10] hw/arm/virt-acpi-build:Remove dead assignment in build_madt(), Chen Qun, 2020/08/27
- [PATCH v3 03/10] target/arm/translate-a64:Remove dead assignment in handle_scalar_simd_shli(), Chen Qun, 2020/08/27
- [PATCH v3 07/10] vfio/platform: Remove dead assignment in vfio_intp_interrupt(), Chen Qun, 2020/08/27
- [PATCH v3 02/10] hw/arm/omap1:Remove redundant statement in omap_clkdsp_read(), Chen Qun, 2020/08/27
- [PATCH v3 06/10] hw/net/virtio-net:Remove redundant statement in virtio_net_rsc_tcp_ctrl_check(), Chen Qun, 2020/08/27
- [PATCH v3 05/10] hw/virtio/vhost-user:Remove dead assignment in scrub_shadow_regions(), Chen Qun, 2020/08/27
- [PATCH v3 09/10] hw/intc: fix default registers value in exynos4210_combiner_read(), Chen Qun, 2020/08/27
- [PATCH v3 10/10] hw/display/vga:Remove redundant statement in vga_draw_graphic(), Chen Qun, 2020/08/27
- [PATCH v3 08/10] usb/bus: Remove dead assignment in usb_get_fw_dev_path(), Chen Qun, 2020/08/27