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From: | Richard Henderson |
Subject: | Re: [PATCH v2] tests/tcg/s390x: Cleanup of mie3 tests. |
Date: | Tue, 1 Mar 2022 10:15:42 -1000 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 |
On 3/1/22 09:59, David Miller wrote:
+{ \ + uint64_t res = 0; \ +asm volatile ( \ + "lg %%r0, %[c]\n" \ + "ltgr %%r0, %%r0\n" \ + ASM \ + "stg %%r0, %[res] " \ + : [res] "=m" (res) \ + : [a] "r" (a), \ + [b] "r" (b), \ + [c] "m" (c) \ + : "r0", "memory" \ +); \
I don't understand why you're still going through memory. r~
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