|
| From: | Richard Henderson |
| Subject: | Re: [PATCH 11/20] Hexagon HVX (target/hexagon) instruction utility functions |
| Date: | Sun, 25 Jul 2021 03:21:18 -1000 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 |
On 7/5/21 1:34 PM, Taylor Simpson wrote:
Functions to support scatter/gather
...
+uint32_t count_leading_ones_2(uint16_t src)
+{
+ int ret;
+ for (ret = 0; src & 0x8000; src <<= 1) {
+ ret++;
+ }
+ return ret;
+}
Not related to scatter/gather. Also, much better implemented as clz32(~src & 0xffff) - 16 r~
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