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authorAli Saidi <Ali.Saidi@ARM.com>2012-09-25 11:49:40 -0500
committerAli Saidi <Ali.Saidi@ARM.com>2012-09-25 11:49:40 -0500
commit04ca96427c1c910f0bddb2403dec9ea517f3869b (patch)
tree9543fed87f3a76b07a7074ab9408a2823f97873c /src/arch/arm/isa/templates
parent17aa2b0f1be705b0f33ff486509b6962cf1a541d (diff)
downloadgem5-04ca96427c1c910f0bddb2403dec9ea517f3869b.tar.xz
ARM: Predict target of more instructions that modify PC.
Diffstat (limited to 'src/arch/arm/isa/templates')
-rw-r--r--src/arch/arm/isa/templates/mem.isa18
-rw-r--r--src/arch/arm/isa/templates/pred.isa9
2 files changed, 27 insertions, 0 deletions
diff --git a/src/arch/arm/isa/templates/mem.isa b/src/arch/arm/isa/templates/mem.isa
index a4a740f89..2ccda65e1 100644
--- a/src/arch/arm/isa/templates/mem.isa
+++ b/src/arch/arm/isa/templates/mem.isa
@@ -1155,6 +1155,15 @@ def template LoadRegConstructor {{
uops[1]->setLastMicroop();
}
+#else
+ if (_dest == INTREG_PC) {
+ flags[IsControl] = true;
+ flags[IsIndirectControl] = true;
+ if (conditional)
+ flags[IsCondControl] = true;
+ else
+ flags[IsUncondControl] = true;
+ }
#endif
}
}};
@@ -1198,6 +1207,15 @@ def template LoadImmConstructor {{
uops[1] = new %(wb_decl)s;
uops[1]->setLastMicroop();
}
+#else
+ if (_dest == INTREG_PC) {
+ flags[IsControl] = true;
+ flags[IsIndirectControl] = true;
+ if (conditional)
+ flags[IsCondControl] = true;
+ else
+ flags[IsUncondControl] = true;
+ }
#endif
}
}};
diff --git a/src/arch/arm/isa/templates/pred.isa b/src/arch/arm/isa/templates/pred.isa
index 88e8fecd1..918029cc2 100644
--- a/src/arch/arm/isa/templates/pred.isa
+++ b/src/arch/arm/isa/templates/pred.isa
@@ -76,6 +76,15 @@ def template DataImmConstructor {{
_srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
}
}
+
+ if (%(is_branch)s){
+ flags[IsControl] = true;
+ flags[IsIndirectControl] = true;
+ if (condCode == COND_AL || condCode == COND_UC)
+ flags[IsUncondControl] = true;
+ else
+ flags[IsCondControl] = true;
+ }
}
}};