[llvm] [PowerPC] Implement vsx rotate left word instr (PR #160754)
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Thu Sep 25 11:39:09 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-powerpc
Author: Lei Huang (lei137)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/160754.diff
4 Files Affected:
- (modified) llvm/lib/Target/PowerPC/PPCInstrFuture.td (+3)
- (modified) llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt (+3)
- (modified) llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt (+3)
- (modified) llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s (+4)
``````````diff
diff --git a/llvm/lib/Target/PowerPC/PPCInstrFuture.td b/llvm/lib/Target/PowerPC/PPCInstrFuture.td
index 08d633f962d93..17220415b8869 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrFuture.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrFuture.td
@@ -294,6 +294,9 @@ let Predicates = [HasVSX, IsISAFuture] in {
"xvmulhuw $XT, $XA, $XB", []>;
def XVMULHUH: XX3Form_XTAB6<60, 122, (outs vsrc:$XT), (ins vsrc:$XA, vsrc:$XB),
"xvmulhuh $XT, $XA, $XB", []>;
+
+ def XVRLW: XX3Form_XTAB6<60, 184, (outs vsrc:$XT), (ins vsrc:$XA, vsrc:$XB),
+ "xvrlw $XT, $XA, $XB", []>;
}
//---------------------------- Anonymous Patterns ----------------------------//
diff --git a/llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt b/llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt
index a34e7f54c2234..7a76cf9242403 100644
--- a/llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt
+++ b/llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt
@@ -273,3 +273,6 @@
#CHECK: xvmulhuh 4, 5, 7
0xf0,0x85,0x3b,0xd0
+
+#CHECK: xvrlw 34, 15, 16
+0xf0,0x4f,0x85,0xc1
diff --git a/llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt b/llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt
index 9cefe2451b0e3..c98d71650a3f6 100644
--- a/llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt
+++ b/llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt
@@ -267,3 +267,6 @@
#CHECK: xvmulhuh 4, 5, 7
0xd0,0x3b,0x85,0xf0
+
+#CHECK: xvrlw 34, 15, 16
+0xc1,0x85,0x4f,0xf0
diff --git a/llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s b/llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s
index f01d6fa697d89..44c275da6328f 100644
--- a/llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s
+++ b/llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s
@@ -386,3 +386,7 @@
xvmulhuh 4, 5, 7
#CHECK-BE: xvmulhuh 4, 5, 7 # encoding: [0xf0,0x85,0x3b,0xd0]
#CHECK-LE: xvmulhuh 4, 5, 7 # encoding: [0xd0,0x3b,0x85,0xf0]
+
+ xvrlw 34, 15, 16
+#CHECK-BE: xvrlw 34, 15, 16 # encoding: [0xf0,0x4f,0x85,0xc1]
+#CHECK-LE: xvrlw 34, 15, 16 # encoding: [0xc1,0x85,0x4f,0xf0]
``````````
</details>
https://github.com/llvm/llvm-project/pull/160754
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