[llvm-commits] [llvm-gcc-4.2] r48508 - /llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h

[Dale Johannesen]

Author: johannes
Date: Tue Mar 18 17:21:41 2008
New Revision: 48508

URL: http://llvm.org/viewvc/llvm-project?rev=48508&view=rev
Log:
Handle some generic vectors in gcc-compatible fashion.


Modified:
    llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h

Modified: llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h?rev=48508&r1=48507&r2=48508&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h (original)
+++ llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h Tue Mar 18 17:21:41 2008
@@ -99,28 +99,39 @@
 #endif
 
 /* The MMX vector v1i64 is returned in EAX and EDX on Darwin.  Communicate
-    this by returning i64 here.  */
+    this by returning i64 here.  Likewise, (genercic) vectors such as v2i16
+    are returned in EAX.  */
 #define LLVM_SHOULD_RETURN_VECTOR_AS_SCALAR(X,isBuiltin)\
   ((TARGET_MACHO &&                                     \
     !isBuiltin &&                                       \
     !TARGET_64BIT &&                                    \
     TREE_CODE(X) == VECTOR_TYPE &&                      \
     TYPE_SIZE(X) &&                                     \
-    TREE_CODE(TYPE_SIZE(X))==INTEGER_CST &&             \
-    TREE_INT_CST_LOW(TYPE_SIZE(X))==64 &&               \
-    TYPE_VECTOR_SUBPARTS(X)==1) ? uint64_type_node : 0)
+    TREE_CODE(TYPE_SIZE(X))==INTEGER_CST)               \
+   ? (TREE_INT_CST_LOW(TYPE_SIZE(X))==64 &&             \
+      TYPE_VECTOR_SUBPARTS(X)==1)                       \
+     ? uint64_type_node                                 \
+     : (TREE_INT_CST_LOW(TYPE_SIZE(X))==32)             \
+        ? uint32_type_node                              \
+        : 0                                             \
+   : 0)
 
 /* MMX vectors v2i32, v4i16, v8i8, v2f32 are returned using sret on Darwin
-   32-bit.  */
+   32-bit.  Vectors bigger than 128 are returned using sret.  */
 #define LLVM_SHOULD_RETURN_VECTOR_AS_SHADOW(X,isBuiltin)\
   ((TARGET_MACHO &&                                     \
     !isBuiltin &&                                       \
     !TARGET_64BIT &&                                    \
     TREE_CODE(X) == VECTOR_TYPE &&                      \
     TYPE_SIZE(X) &&                                     \
-    TREE_CODE(TYPE_SIZE(X))==INTEGER_CST &&             \
-    TREE_INT_CST_LOW(TYPE_SIZE(X))==64 &&               \
-    TYPE_VECTOR_SUBPARTS(X)>1) ? true : false)
+    TREE_CODE(TYPE_SIZE(X))==INTEGER_CST)               \
+    ? (TREE_INT_CST_LOW(TYPE_SIZE(X))==64 &&            \
+       TYPE_VECTOR_SUBPARTS(X)>1)                       \
+       ? true                                           \
+       : (TREE_INT_CST_LOW(TYPE_SIZE(X))>128)           \
+         ? true                                         \
+         : false                                        \
+    : false)
 
 extern bool llvm_x86_should_pass_aggregate_in_memory(tree, const Type *);