[Arm64] Implement genZeroInitFltRegs for float (#18200)

diff --git a/src/jit/codegencommon.cpp b/src/jit/codegencommon.cpp
index dde2bb8..d595143 100644 (file)
--- a/src/jit/codegencommon.cpp
+++ b/src/jit/codegencommon.cpp
@@ -5825,7 +5825,8 @@ void CodeGen::genZeroInitFltRegs(const regMaskTP& initFltRegs, const regMaskTP&
                 inst_RV_RV(INS_xorps, reg, reg, TYP_DOUBLE);
                 dblInitReg = reg;
 #elif defined(_TARGET_ARM64_)
-                NYI("Initialize floating-point register to zero");
+                // We will just zero out the entire vector register. This sets it to a double/float zero value
+                getEmitter()->emitIns_R_I(INS_movi, EA_16BYTE, reg, 0x00, INS_OPTS_16B);
 #else // _TARGET_*
 #error Unsupported or unset target architecture
 #endif
@@ -5859,7 +5860,7 @@ void CodeGen::genZeroInitFltRegs(const regMaskTP& initFltRegs, const regMaskTP&
                 inst_RV_RV(INS_xorps, reg, reg, TYP_DOUBLE);
                 fltInitReg = reg;
 #elif defined(_TARGET_ARM64_)
-                // We will just zero out the entire vector register. This sets it to a double zero value
+                // We will just zero out the entire vector register. This sets it to a double/float zero value
                 getEmitter()->emitIns_R_I(INS_movi, EA_16BYTE, reg, 0x00, INS_OPTS_16B);
 #else // _TARGET_*
 #error Unsupported or unset target architecture

diff --git a/tests/arm64/Tests.lst b/tests/arm64/Tests.lst
index c54b3a4..1dfe0f2 100644 (file)
--- a/tests/arm64/Tests.lst
+++ b/tests/arm64/Tests.lst
@@ -94745,7 +94745,7 @@ RelativePath=JIT\Regression\JitBlue\DevDiv_590772\DevDiv_590772\DevDiv_590772.cm
 WorkingDir=JIT\Regression\JitBlue\DevDiv_590772\DevDiv_590772
 Expected=0
 MaxAllowedDurationSeconds=600
-Categories=EXPECTED_FAIL;17968;EXCLUDED
+Categories=EXPECTED_PASS
 HostStyle=0
 
 [DevDiv_605447.cmd_12217]
@@ -94753,7 +94753,7 @@ RelativePath=JIT\Regression\JitBlue\DevDiv_605447\DevDiv_605447\DevDiv_605447.cm
 WorkingDir=JIT\Regression\JitBlue\DevDiv_605447\DevDiv_605447
 Expected=0
 MaxAllowedDurationSeconds=600
-Categories=EXPECTED_FAIL;17966;EXCLUDED
+Categories=EXPECTED_PASS
 HostStyle=0
 
 [DevDiv_590771.cmd_12218]