[llvm] [llvm-exegesis] Adding in llvm-exegesis for Aarch64 for handling FPR8/16/32 and FPCR setReg warning (PR #130595)

[Sjoerd Meijer via llvm-commits]

================
@@ -37,3 +37,40 @@ RUN: FileCheck %s --check-prefix=FPR64-ASM < %t.s
 FPR64-ASM:          <foo>:
 FPR64-ASM:          movi d{{[0-9]+}}, #0000000000000000
 FPR64-ASM-NEXT:     addv h{{[0-9]+}}, v{{[0-9]+}}.4h
+
+## FPR32 Register Class Initialization Testcase
+RUN: llvm-exegesis -mcpu=neoverse-v2 -mode=latency --dump-object-to-disk=%d --opcode-name=FABSSr --benchmark-phase=assemble-measured-code 2>&1
+RUN: llvm-objdump -d %d > %t.s
+RUN: FileCheck %s --check-prefix=FPR32-ASM < %t.s
+FPR32-ASM:         <foo>:
+FPR32-ASM:         movi d{{[0-9]+}}, #0000000000000000
+FPR32-ASM-NEXT:    fabs s{{[0-9]+}}, s{{[0-9]+}}
+
+
+## FPR16 Register Class Initialization Testcase
+RUN: llvm-exegesis -mcpu=neoverse-v2 -mode=latency --dump-object-to-disk=%d --opcode-name=FABSHr --benchmark-phase=assemble-measured-code 2>&1
+RUN: llvm-objdump -d %d > %t.s
+RUN: FileCheck %s --check-prefix=FPR16-ASM < %t.s
+FPR16-ASM:         <foo>:
+FPR16-ASM:         movi d{{[0-9]+}}, #0000000000000000
----------------
sjoerdmeijer wrote:

Similar here: `fmov h, #0`?

https://github.com/llvm/llvm-project/pull/130595