From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 27 Apr 2023 09:23:27 +0000 (+0100)
Subject: link in new parallel-prefix REMAP schedule
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0f7e3da823b82992395af03388e2b5eb5a36574b;p=openpower-isa.git

link in new parallel-prefix REMAP schedule
---

diff --git a/src/openpower/decoder/isa/svshape.py b/src/openpower/decoder/isa/svshape.py
index 8b453375..e34c0842 100644
--- a/src/openpower/decoder/isa/svshape.py
+++ b/src/openpower/decoder/isa/svshape.py
@@ -11,6 +11,8 @@ from openpower.decoder.selectable_int import (FieldSelectableInt, SelectableInt,
 from openpower.decoder.isa.remapyield import iterate_indices
 from openpower.decoder.isa.remap_preduce_yield import (iterate_indices as
                                                 iterate_preduce_indices)
+from openpower.decoder.isa.remap_preduce_yield import (iterate_indices2 as
+                                                iterate_pprefix_indices)
 from openpower.decoder.isa.remap_fft_yield import iterate_butterfly_indices
 from openpower.decoder.isa.remap_dct_yield import (
                                 iterate_dct_inner_butterfly_indices,
@@ -168,7 +170,11 @@ class SVSHAPE(SelectableInt):
         if self.mode == 0b00:
             iterate_fn = iterate_indices
         elif self.mode == 0b10:
-            iterate_fn = iterate_preduce_indices
+            # further sub-selection
+            if self.skip & 0b10:
+                iterate_fn = iterate_pprefix_indices # parallel-prefix
+            else:
+                iterate_fn = iterate_preduce_indices # parallel-reduce
         elif self.mode in [0b01, 0b11]:
             # further sub-selection
             if self.ydimsz == 1: