Sandipan Das has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/40909 )
Change subject: arch-power: Add word modulo instructions
......................................................................
arch-power: Add word modulo instructions
This adds the following instructions.
* Modulo Signed Word (modsw)
* Modulo Unsigned Word (moduw)
Change-Id: Id84ff46d0114ab859bd8616d3dcf22111cf3bda2
Signed-off-by: Sandipan Das <[email protected]>
---
M src/arch/power/isa/decoder.isa
1 file changed, 22 insertions(+), 0 deletions(-)
diff --git a/src/arch/power/isa/decoder.isa b/src/arch/power/isa/decoder.isa
index 0e3bbbd..6c8cba9 100644
--- a/src/arch/power/isa/decoder.isa
+++ b/src/arch/power/isa/decoder.isa
@@ -393,6 +393,28 @@
181: stdux({{ Mem = Rs; }});
}
+ format IntArithOp {
+ 779: modsw({{
+ int64_t src1 = Ra_sw;
+ int64_t src2 = Rb_sw;
+ if ((src1 != INT32_MIN || src2 != -1) && src2 != 0) {
+ Rt = src1 % src2;
+ } else {
+ Rt = 0;
+ }
+ }});
+
+ 267: moduw({{
+ uint64_t src1 = Ra_uw;
+ uint64_t src2 = Rb_uw;
+ if (src2 != 0) {
+ Rt = src1 % src2;
+ } else {
+ Rt = 0;
+ }
+ }});
+ }
+
format IntOp {
0: cmp({{
Xer xer = XER;
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Id84ff46d0114ab859bd8616d3dcf22111cf3bda2
Gerrit-Change-Number: 40909
Gerrit-PatchSet: 1
Gerrit-Owner: Sandipan Das <[email protected]>
Gerrit-MessageType: newchange
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