Gabe Black has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/33738 )
Change subject: mips,cpu: Get rid of the IsERET StaticInst flag.
......................................................................
mips,cpu: Get rid of the IsERET StaticInst flag.
This is set by MIPS but doesn't have an accessor in StaticInst, and
isn't used by anything.
Change-Id: Ie28d2df134dcf264bca17c9c66dd32515a240492
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33738
Maintainer: Gabe Black <[email protected]>
Tested-by: kokoro <[email protected]>
Reviewed-by: Jason Lowe-Power <[email protected]>
---
M src/arch/mips/isa/decoder.isa
M src/cpu/StaticInstFlags.py
2 files changed, 2 insertions(+), 3 deletions(-)
Approvals:
Jason Lowe-Power: Looks good to me, approved
Gabe Black: Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/arch/mips/isa/decoder.isa b/src/arch/mips/isa/decoder.isa
index f62000e..76453b0 100644
--- a/src/arch/mips/isa/decoder.isa
+++ b/src/arch/mips/isa/decoder.isa
@@ -719,7 +719,7 @@
LLFlag = 0;
Status = status;
SRSCtl = srsCtl;
- }}, IsReturn, IsSerializing, IsERET);
+ }}, IsReturn, IsSerializing);
0x1F: deret({{
DebugReg debug = Debug;
@@ -732,7 +732,7 @@
// Undefined;
}
Debug = debug;
- }}, IsReturn, IsSerializing, IsERET);
+ }}, IsReturn, IsSerializing);
}
format CP0TLB {
0x01: tlbr({{
diff --git a/src/cpu/StaticInstFlags.py b/src/cpu/StaticInstFlags.py
index acaa7bf..b70f919 100644
--- a/src/cpu/StaticInstFlags.py
+++ b/src/cpu/StaticInstFlags.py
@@ -85,7 +85,6 @@
'IsMemBarrier', # Is a memory barrier
'IsWriteBarrier', # Is a write barrier
'IsReadBarrier', # Is a read barrier
- 'IsERET', # <- Causes the IFU to stall (MIPS ISA)
'IsNonSpeculative', # Should not be executed speculatively
'IsQuiesce', # Is a quiesce instruction
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ie28d2df134dcf264bca17c9c66dd32515a240492
Gerrit-Change-Number: 33738
Gerrit-PatchSet: 4
Gerrit-Owner: Gabe Black <[email protected]>
Gerrit-Reviewer: Andreas Sandberg <[email protected]>
Gerrit-Reviewer: Bobby R. Bruce <[email protected]>
Gerrit-Reviewer: Gabe Black <[email protected]>
Gerrit-Reviewer: Giacomo Travaglini <[email protected]>
Gerrit-Reviewer: Jason Lowe-Power <[email protected]>
Gerrit-Reviewer: kokoro <[email protected]>
Gerrit-MessageType: merged
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