From: lkcl Date: Wed, 30 Dec 2020 19:05:14 +0000 (+0000) Subject: (no commit message) X-Git-Tag: convert-csv-opcode-to-binary~692 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c4f5c6deb2891f3e705411c350d9a0e20f50c447;p=libreriscv.git --- diff --git a/openpower/sv/overview.mdwn b/openpower/sv/overview.mdwn index b260c5909..218395d95 100644 --- a/openpower/sv/overview.mdwn +++ b/openpower/sv/overview.mdwn @@ -563,6 +563,8 @@ With VL truncated the analysis looking for the zero byte and the subsequent STOR SIMD strncpy hand-written assembly routines are, to be blunt about it, a total nightmare. 240 instructions is not uncommon, and the worst thing about them is that they are unable to cope with detection of a page fault condition. +Note: see + # Data-dependent fail-first This is a minor variant on the CR-based predicate-result mode. Where pred-result continues with independent element testing (any of which may be parallelised), data-dependent fail-first *stops* at the first failure: