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Updated Golang s390x asm Reference (markdown)

Sun Yimin 2024-08-21 11:37:09 +08:00
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Golang-s390x-asm-Reference.md

@ -38,5 +38,16 @@ Addressing modes:
* VACC - Vector Add Compute Carry. 无符号整数加法，计算进位。只有进位结果。 * VACC - Vector Add Compute Carry. 无符号整数加法，计算进位。只有进位结果。
* VACCC - Vector Add With Carry Compute Carry. 无符号整数加法，同时加进位，计算进位。相当于3个数加法，只有进位结果。 * VACCC - Vector Add With Carry Compute Carry. 无符号整数加法，同时加进位，计算进位。相当于3个数加法，只有进位结果。
所以，两个数相加要同时使用多个指令。示例演示T1||T0, RED2||RED1两个256位数的加法，得到 T2||T1||T0。
```asm
VACCQ T0, RED1, CAR1
VAQ T0, RED1, T0
VACCCQ T1, RED2, CAR1, CAR2
VACQ T1, RED2, CAR1, T1
VAQ T2, CAR2, T2
```