From: lkcl <lkcl@web>
Date: Wed, 22 Jun 2022 16:22:52 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~1592
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7ec81962d26e9e4f14e9bd2c37c9bc95a050f9bc;p=libreriscv.git

---

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index 6d628c598..d62f95cda 100644
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -148,7 +148,9 @@ the [[sv/av_opcodes]])
 | NN | RT | RA  | RB  | 0  |   01  | 0001 110 |Rc| vec sofm  | X-Form  |
 | NN | RT | RA  | RB  | 0  |   10  | 0001 110 |Rc| vec sifm  | X-Form  |
 | NN | RT | RA  | RB  | 0  |   11  | 0001 110 |Rc| vec cprop | X-Form  |
-| NN |    |     |     |    |   -0  | 0101 110 |Rc| crfbinlog | {TODO}  |
+| NN |    |     |     |    |   00  | 0101 110 |0 | crfbinlog | {TODO}  |
+| NN |    |     |     |    |   00  | 0101 110 |1 | rsvd      |         |
+| NN |    |     |     |    |   10  | 0101 110 |Rc| rsvd      |         |
 | NN |    |     |     |    |   -1  | 0101 110 |Rc| rsvd      |         |
 | NN | RT | RA  | RB  | 0  | itype | 1001 110 |Rc| av minmax | X-Form  |
 | NN | RT | RA  | RB  | 1  |   00  | 1001 110 |Rc| av abss   | X-Form  |
@@ -250,7 +252,7 @@ another mode selection would be CRs not Ints.
 | -- | -- | --- | --- | --- |-----|----- | -----|--|
 | NN | BT | BA  | BB  | BC  |m0-2 | imm  |  01  |m3|
 
-    mask = m0-3,m4
+    mask = m0-3
     for i in range(4):
         a,b,c = CRs[BA][i], CRs[BB][i], CRs[BC][i])
         if mask[i] CRs[BT][i] = lut3(imm, a, b, c)
@@ -264,11 +266,11 @@ is the ternary LUT version of crops, having an 8-bit LUT.
 With ternary (LUT3) dynamic instructions being very costly,
 and CR Fields being only 4 bit, a binary (LUT2) variant is better
 
-| 0.5|6.8 | 9.11|12.14|15.17|18.22|23...30  |31|
-| -- | -- | --- | --- | --- |-----| --------|--|
-| NN | BT | BA  | BB  | BC  |m0-m2|00101110 |m3|
+| 0.5|6.8 | 9.11|12.14|15.17|18.21|22...30  |31|
+| -- | -- | --- | --- | --- |-----| -------- |--|
+| NN | BT | BA  | BB  | BC  |m0-m3|000101110 |0 |
 
-    mask = m0-3,m4
+    mask = m0..m3
     for i in range(4):
         a,b = CRs[BA][i], CRs[BB][i])
         if mask[i] CRs[BT][i] = lut2(CRs[BC], a, b)