Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtr

qemu-riscv

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtr

From:	LIU Zhiwei
Subject:	Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions
Date:	Sat, 14 Mar 2020 14:32:22 +0800
User-agent:	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0



On 2020/3/14 14:16, Richard Henderson wrote:

On 3/13/20 10:58 PM, Richard Henderson wrote:

     C ? N + M <= N : N + M < N

Ho hum.  N + M + 1 <= N.
I'm sure you saw the typo...


You give the corner case and the very precise answer.

Thanks very much.

Zhiwei

r~

[Prev in Thread]

Current Thread

[Next in Thread]

Re: [PATCH v5 09/60] target/riscv: vector single-width integer add and subtract, (continued)
- [PATCH v5 10/60] target/riscv: vector widening integer add and subtract, LIU Zhiwei, 2020/03/12
  - Re: [PATCH v5 10/60] target/riscv: vector widening integer add and subtract, Richard Henderson, 2020/03/14
- [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions, LIU Zhiwei, 2020/03/12
  - Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions, Richard Henderson, 2020/03/14
    - Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions, LIU Zhiwei, 2020/03/14
    - Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions, Richard Henderson, 2020/03/14
    - Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions, LIU Zhiwei <=
- [PATCH v5 12/60] target/riscv: vector bitwise logical instructions, LIU Zhiwei, 2020/03/12
  - Re: [PATCH v5 12/60] target/riscv: vector bitwise logical instructions, Richard Henderson, 2020/03/14
- [PATCH v5 13/60] target/riscv: vector single-width bit shift instructions, LIU Zhiwei, 2020/03/12
  - Re: [PATCH v5 13/60] target/riscv: vector single-width bit shift instructions, Richard Henderson, 2020/03/14
- [PATCH v5 14/60] target/riscv: vector narrowing integer right shift instructions, LIU Zhiwei, 2020/03/12
  - Re: [PATCH v5 14/60] target/riscv: vector narrowing integer right shift instructions, Richard Henderson, 2020/03/14
- [PATCH v5 15/60] target/riscv: vector integer comparison instructions, LIU Zhiwei, 2020/03/12
  - Re: [PATCH v5 15/60] target/riscv: vector integer comparison instructions, Richard Henderson, 2020/03/14
- [PATCH v5 16/60] target/riscv: vector integer min/max instructions, LIU Zhiwei, 2020/03/12
  - Re: [PATCH v5 16/60] target/riscv: vector integer min/max instructions, Richard Henderson, 2020/03/14

Prev by Date: Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions
Next by Date: Re: [PATCH v5 15/60] target/riscv: vector integer comparison instructions
Previous by thread: Re: [PATCH v5 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions
Next by thread: [PATCH v5 12/60] target/riscv: vector bitwise logical instructions
Index(es):
- Date
- Thread