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ir3/tests: Print a helpful bit number on re-assembly failures.

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38559>
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Emma Anholt 2025-11-19 14:39:14 -08:00 • committed by Marge Bot
parent f289c460eb
commit a70cb908e4
1 changed files with 5 additions and 0 deletions
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5
src/freedreno/ir3/tests/disasm.c
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@ -698,6 +698,11 @@ main(int argc, char **argv)
printf("FAIL: assembler\n");
printf(" Expected: %08x_%08x\n", code[1], code[0]);
printf(" Got: %08x_%08x\n", v->bin[1], v->bin[0]);
uint32_t diff[2] = {code[0] ^ v->bin[0], code[1] ^ v->bin[1]};
if (diff[0] && util_bitcount64(diff[0]) == 1)
printf("Diff in bit %d\n", ffs(diff[0]) - 1);
if (diff[1] && util_bitcount64(diff[1]) == 1)
printf("Diff in bit %d\n", 32 + ffs(diff[1]) - 1);
retval = 1;
encode_fails++;
}