Giacomo Travaglini has uploaded this change for review. ( https://gem5-review.googlesource.com/c/public/gem5/+/15600

Change subject: cpu: O3 rename using the flatIndex instead of index
......................................................................

cpu: O3 rename using the flatIndex instead of index

This patch is replacing the RegId::index with RegId::flatIndex so that
it provides a valid register number when used by a VecElem register.

Change-Id: I5b000abb9457cd325c2a3021e772a75ea33d8a4c
Signed-off-by: Giacomo Travaglini <giacomo.travagl...@arm.com>
---
M src/cpu/o3/rename_map.cc
1 file changed, 4 insertions(+), 4 deletions(-)



diff --git a/src/cpu/o3/rename_map.cc b/src/cpu/o3/rename_map.cc
index d1876a9..1b831d9 100644
--- a/src/cpu/o3/rename_map.cc
+++ b/src/cpu/o3/rename_map.cc
@@ -76,14 +76,14 @@
     PhysRegIdPtr renamed_reg;
     // Record the current physical register that is renamed to the
     // requested architected register.
-    PhysRegIdPtr prev_reg = map[arch_reg.index()];
+    PhysRegIdPtr prev_reg = map[arch_reg.flatIndex()];

     // If it's not referencing the zero register, then rename the
     // register.
     if (arch_reg != zeroReg) {
         renamed_reg = freeList->getReg();

-        map[arch_reg.index()] = renamed_reg;
+        map[arch_reg.flatIndex()] = renamed_reg;
     } else {
         // Otherwise return the zero register so nothing bad happens.
         assert(prev_reg->isZeroReg());
@@ -92,8 +92,8 @@

DPRINTF(Rename, "Renamed reg %d to physical reg %d (%d) old mapping was"
             " %d (%d)\n",
-            arch_reg, renamed_reg->index(), renamed_reg->flatIndex(),
-            prev_reg->index(), prev_reg->flatIndex());
+            arch_reg, renamed_reg->flatIndex(), renamed_reg->flatIndex(),
+            prev_reg->flatIndex(), prev_reg->flatIndex());

     return RenameInfo(renamed_reg, prev_reg);
 }

--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I5b000abb9457cd325c2a3021e772a75ea33d8a4c
Gerrit-Change-Number: 15600
Gerrit-PatchSet: 1
Gerrit-Owner: Giacomo Travaglini <giacomo.travagl...@arm.com>
Gerrit-MessageType: newchange
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