[LoongArch64] amend the LoongArch64Classifier::Classify for passing struct. (#101365)

shushanhf · web-flow · commit 5111fdc0dc46 · 2024-04-23T08:54:08.000+02:00
diff --git a/src/coreclr/jit/targetloongarch64.cpp b/src/coreclr/jit/targetloongarch64.cpp
@@ -104,15 +104,15 @@ ABIPassingInformation LoongArch64Classifier::Classify(Compiler*    comp,
                 }
                 else if ((floatFlags & STRUCT_FLOAT_FIELD_FIRST) != 0)
                 {
-                    slots                 = 1;
+                    slots                 = 2;
                     canPassArgInRegisters = (m_floatRegs.Count() > 0) && (m_intRegs.Count() > 0);
 
                     argRegTypeInStruct1 = (floatFlags & STRUCT_FIRST_FIELD_SIZE_IS8) ? TYP_DOUBLE : TYP_FLOAT;
                     argRegTypeInStruct2 = (floatFlags & STRUCT_SECOND_FIELD_SIZE_IS8) ? TYP_LONG : TYP_INT;
                 }
                 else if ((floatFlags & STRUCT_FLOAT_FIELD_SECOND) != 0)
                 {
-                    slots                 = 1;
+                    slots                 = 2;
                     canPassArgInRegisters = (m_floatRegs.Count() > 0) && (m_intRegs.Count() > 0);
 
                     argRegTypeInStruct1 = (floatFlags & STRUCT_FIRST_FIELD_SIZE_IS8) ? TYP_LONG : TYP_INT;

Original file line number	Diff line number	Diff line change
`@@ -104,15 +104,15 @@ ABIPassingInformation LoongArch64Classifier::Classify(Compiler* comp,`
`104`	`104`	`}`
`105`	`105`	`else if ((floatFlags & STRUCT_FLOAT_FIELD_FIRST) != 0)`
`106`	`106`	`{`
`107`		`- slots = 1;`
	`107`	`+ slots = 2;`
`108`	`108`	`canPassArgInRegisters = (m_floatRegs.Count() > 0) && (m_intRegs.Count() > 0);`
`109`	`109`
`110`	`110`	`argRegTypeInStruct1 = (floatFlags & STRUCT_FIRST_FIELD_SIZE_IS8) ? TYP_DOUBLE : TYP_FLOAT;`
`111`	`111`	`argRegTypeInStruct2 = (floatFlags & STRUCT_SECOND_FIELD_SIZE_IS8) ? TYP_LONG : TYP_INT;`
`112`	`112`	`}`
`113`	`113`	`else if ((floatFlags & STRUCT_FLOAT_FIELD_SECOND) != 0)`
`114`	`114`	`{`
`115`		`- slots = 1;`
	`115`	`+ slots = 2;`
`116`	`116`	`canPassArgInRegisters = (m_floatRegs.Count() > 0) && (m_intRegs.Count() > 0);`
`117`	`117`
`118`	`118`	`argRegTypeInStruct1 = (floatFlags & STRUCT_FIRST_FIELD_SIZE_IS8) ? TYP_LONG : TYP_INT;`