Sandipan Das has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/16624
Change subject: arch-power: Add fixed-point doubleword arithmetic modulo
instructions
......................................................................
arch-power: Add fixed-point doubleword arithmetic modulo instructions
This adds the following arithmetic instructions:
* Modulo Signed Doubleword (modsd)
* Modulo Unsigned Doubleword (modud)
Change-Id: Ic7bcb85869ccedf5c95aadfe925c85b3b1155031
Signed-off-by: Sandipan Das <[email protected]>
---
M src/arch/power/isa/decoder.isa
1 file changed, 20 insertions(+), 0 deletions(-)
diff --git a/src/arch/power/isa/decoder.isa b/src/arch/power/isa/decoder.isa
index af92902..e9c1fce 100644
--- a/src/arch/power/isa/decoder.isa
+++ b/src/arch/power/isa/decoder.isa
@@ -431,6 +431,26 @@
Rt = 0;
}
}});
+
+ 777: modsd({{
+ int64_t src1 = Ra_sd;
+ int64_t src2 = Rb_sd;
+ if ((src1 != INT64_MIN || src2 != -1) && src2 != 0) {
+ Rt = src1 % src2;
+ } else {
+ Rt = 0;
+ }
+ }});
+
+ 265: modud({{
+ uint64_t src1 = Ra;
+ uint64_t src2 = Rb;
+ if (src2 != 0) {
+ Rt = src1 % src2;
+ } else {
+ Rt = 0;
+ }
+ }});
}
format IntOp {
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: Ic7bcb85869ccedf5c95aadfe925c85b3b1155031
Gerrit-Change-Number: 16624
Gerrit-PatchSet: 1
Gerrit-Owner: Sandipan Das <[email protected]>
Gerrit-MessageType: newchange
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