From: lkcl <lkcl@web>
Date: Fri, 14 Apr 2023 09:38:51 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls008_v1~24
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=eb6e0d315e774bcacfe944106f35547caf06874b;p=libreriscv.git

---

diff --git a/openpower/sv/rfc/ls013.mdwn b/openpower/sv/rfc/ls013.mdwn
new file mode 100644
index 000000000..192c598c7
--- /dev/null
+++ b/openpower/sv/rfc/ls013.mdwn
@@ -0,0 +1,91 @@
+# RFC ls013 Min/Max GPR/FPR
+
+**URLs**:
+
+* <https://libre-soc.org/openpower/sv/rfc/ls013/>
+* <https://git.openpower.foundation/isa/PowerISA/issues/TODO>
+* <https://bugs.libre-soc.org/show_bug.cgi?id=1057>
+
+**Severity**: Major
+
+**Status**: New
+
+**Date**: 14 Apr 2023
+
+**Target**: v3.2B
+
+**Source**: v3.0B
+
+**Books and Section affected**:
+
+```
+    Book I Fixed-Point Instructions
+    Appendix E Power ISA sorted by opcode
+    Appendix F Power ISA sorted by version
+    Appendix G Power ISA sorted by Compliancy Subset
+    Appendix H Power ISA sorted by mnemonic
+```
+
+**Summary**
+
+```
+    Instructions added
+```
+
+**Submitter**: Luke Leighton (Libre-SOC)
+
+**Requester**: Libre-SOC
+
+**Impact on processor**:
+
+```
+    Addition of new GPR-based instructions
+```
+
+**Impact on software**:
+
+```
+    Requires support for new instructions in assembler, debuggers,
+    and related tools.
+```
+
+**Keywords**:
+
+```
+    GPR, FPR, minmax
+```
+
+**Motivation**
+
+TODO
+
+**Notes and Observations**:
+
+1. TODO
+
+**Changes**
+
+Add the following entries to:
+
+* the Appendices of Book I
+* Instructions of Book I added to Section 3.3.14.2
+
+----------------
+
+\newpage{}
+
+# Appendices
+
+    Appendix E Power ISA sorted by opcode
+    Appendix F Power ISA sorted by version
+    Appendix G Power ISA sorted by Compliancy Subset
+    Appendix H Power ISA sorted by mnemonic
+
+| Form | Book | Page | Version | mnemonic | Description |
+|------|------|------|---------|----------|-------------|
+| Z23  | I    | #    | 3.0B    | shadd    | Shift-and-Add |
+| Z23  | I    | #    | 3.0B    | shaddw   | Shift-and-Add Signed Word |
+| Z23  | I    | #    | 3.0B    | shadduw  | Shift-and-Add Unsigned Word |
+
+[[!tag opf_rfc]]
+