Sandipan Das has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/16628
Change subject: arch-power: Add fixed-point logical extend sign instructions
......................................................................
arch-power: Add fixed-point logical extend sign instructions
This adds the following logical instructions:
* Extend Sign Word (extsw[.])
Change-Id: I610e84c2361b99b00ceef2170ede5b6dee8ec21b
Signed-off-by: Sandipan Das <[email protected]>
---
M src/arch/power/insts/integer.cc
M src/arch/power/isa/decoder.isa
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/src/arch/power/insts/integer.cc
b/src/arch/power/insts/integer.cc
index d367247..f87afa2 100644
--- a/src/arch/power/insts/integer.cc
+++ b/src/arch/power/insts/integer.cc
@@ -292,6 +292,7 @@
printSecondSrc = false;
} else if (!myMnemonic.compare("extsb") ||
!myMnemonic.compare("extsh") ||
+ !myMnemonic.compare("extsw") ||
!myMnemonic.compare("cntlzw")) {
printSecondSrc = false;
}
diff --git a/src/arch/power/isa/decoder.isa b/src/arch/power/isa/decoder.isa
index 7caaaf6..e1221bb 100644
--- a/src/arch/power/isa/decoder.isa
+++ b/src/arch/power/isa/decoder.isa
@@ -515,6 +515,7 @@
412: orc({{ Ra = Rs | ~Rb; }}, true);
954: extsb({{ Ra = Rs_sb; }}, true);
922: extsh({{ Ra = Rs_sh; }}, true);
+ 986: extsw({{ Ra = Rs_sw; }}, true);
26: cntlzw({{ Ra = findLeadingZeros(Rs_uw); }}, true);
508: cmpb({{
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I610e84c2361b99b00ceef2170ede5b6dee8ec21b
Gerrit-Change-Number: 16628
Gerrit-PatchSet: 1
Gerrit-Owner: Sandipan Das <[email protected]>
Gerrit-MessageType: newchange
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