--- /dev/null
+# 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]]
+