From acccc6bba21f36e227ee8fb1306b20a7bdb031cd Mon Sep 17 00:00:00 2001 From: lkcl Date: Wed, 30 Dec 2020 21:50:12 +0000 Subject: [PATCH] --- openpower/sv/svp64.mdwn | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/openpower/sv/svp64.mdwn b/openpower/sv/svp64.mdwn index efcf9a761..9abaed8a6 100644 --- a/openpower/sv/svp64.mdwn +++ b/openpower/sv/svp64.mdwn @@ -186,7 +186,7 @@ These are the modes: * **ffirst** or data-dependent fail-on-first: see separate section. the vector may be truncated depending on certain criteria. *VL is altered as a result*. * **sat mode** or saturation: clamps each elemrnt result to a min/max rather than overflows / wraps. allows signed and unsigned clamping. -* **reduce mode**. a mapreduce is performed. the result is a scalar. a result vector however is required, as the upper elements may be used to store intermediary computations. the result of the mapreduce is in the first element with a nonzero predicate bit. see separate section below. +* **reduce mode**. a mapreduce is performed. the result is a scalar. a result vector however is required, as the upper elements may be used to store intermediary computations. the result of the mapreduce is in the first element with a nonzero predicate bit. see [[appendix]] note that there are comprehensive caveats when using this mode. * **pred-result** will test the result (CR testing selects a bit of CR and inverts it, just like branch testing) and if the test fails it is as if the predicate bit was zero. When Rc=1 the CR element however is still stored in the CR regfile, even if the test failed. This scheme does not apply to crops (crand, cror). See appendix for details. @@ -454,7 +454,7 @@ or EXTRA3 field from the SV Prefix. The prefixing is arranged so that interoperability between prefixing and nonprefixing of scalar registers is direct and convenient (when the EXTRA field is all zeros). -A pseudocode algorithm explains the relationship, for INT/FP (see separate section for CRs) +A pseudocode algorithm explains the relationship, for INT/FP (see [[svp64/appendix]] for CRs) if extra3_mode: spec = EXTRA3 -- 2.30.2