libclc: Add assembly versions of vstore for global [u]int4/8/16

The assembly should be generic, but at least currently R600 only supports
32-bit stores of [u]int1/4, and I believe that only global is well-supported.

R600 lowers the 8/16 component stores to multiple 4-component stores.

The unoptimized C versions of the other stuff is left in place.

Patch by: Aaron Watry

git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@185009 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 166 insertions, 6 deletions

diff --git a/generic/lib/shared/vstore.cl b/generic/lib/shared/vstore.cl
index e88ccc5..5b84f47 100644
--- a/generic/lib/shared/vstore.cl
+++ b/generic/lib/shared/vstore.cl
@@ -15,10 +15,8 @@
   } \
 \
   _CLC_OVERLOAD _CLC_DEF void vstore4(PRIM_TYPE##4 vec, size_t offset, ADDR_SPACE PRIM_TYPE *mem) { \
-    mem[offset] = vec.s0; \
-    mem[offset+1] = vec.s1; \
-    mem[offset+2] = vec.s2; \
-    mem[offset+3] = vec.s3; \
+    vstore2(vec.lo, offset, mem); \
+    vstore2(vec.hi, offset+2, mem); \
   } \
 \
   _CLC_OVERLOAD _CLC_DEF void vstore8(PRIM_TYPE##8 vec, size_t offset, ADDR_SPACE PRIM_TYPE *mem) { \
@@ -36,13 +34,12 @@
     VSTORE_VECTORIZE(SCALAR_GENTYPE, __local) \
     VSTORE_VECTORIZE(SCALAR_GENTYPE, __global) \
 
+//int/uint are special... see below
 #define VSTORE_TYPES() \
     VSTORE_ADDR_SPACES(char) \
     VSTORE_ADDR_SPACES(uchar) \
     VSTORE_ADDR_SPACES(short) \
     VSTORE_ADDR_SPACES(ushort) \
-    VSTORE_ADDR_SPACES(int) \
-    VSTORE_ADDR_SPACES(uint) \
     VSTORE_ADDR_SPACES(long) \
     VSTORE_ADDR_SPACES(ulong) \
     VSTORE_ADDR_SPACES(float) \
@@ -54,3 +51,57 @@ VSTORE_TYPES()
     VSTORE_ADDR_SPACES(double)
 #endif
 
+VSTORE_VECTORIZE(int, __private)
+VSTORE_VECTORIZE(int, __local)
+VSTORE_VECTORIZE(uint, __private)
+VSTORE_VECTORIZE(uint, __local)
+
+_CLC_OVERLOAD _CLC_DEF void vstore2(int2 vec, size_t offset, global int *mem) {
+    mem[offset] = vec.s0;
+    mem[offset+1] = vec.s1;
+}
+_CLC_OVERLOAD _CLC_DEF void vstore3(int3 vec, size_t offset, global int *mem) {
+    mem[offset] = vec.s0;
+    mem[offset+1] = vec.s1;
+    mem[offset+2] = vec.s2;
+}
+_CLC_OVERLOAD _CLC_DEF void vstore2(uint2 vec, size_t offset, global uint *mem) {
+    mem[offset] = vec.s0;
+    mem[offset+1] = vec.s1;
+}
+_CLC_OVERLOAD _CLC_DEF void vstore3(uint3 vec, size_t offset, global uint *mem) {
+    mem[offset] = vec.s0;
+    mem[offset+1] = vec.s1;
+    mem[offset+2] = vec.s2;
+}
+
+/*Note: R600 probably doesn't support store <2 x ?> and <3 x ?>... so
+ * they aren't actually overridden here... lowest-common-denominator
+ */
+_CLC_DECL void __clc_vstore4_int__global(int4 vec, size_t offset, __global int *);
+_CLC_DECL void __clc_vstore8_int__global(int8 vec, size_t offset, __global int *);
+_CLC_DECL void __clc_vstore16_int__global(int16 vec, size_t offset, __global int *);
+
+_CLC_OVERLOAD _CLC_DEF void vstore4(int4 vec, size_t offset, global int *x) {
+    __clc_vstore4_int__global(vec, offset, x);
+}
+_CLC_OVERLOAD _CLC_DEF void vstore8(int8 vec, size_t offset, global int *x) {
+    __clc_vstore8_int__global(vec, offset, x);
+}
+_CLC_OVERLOAD _CLC_DEF void vstore16(int16 vec, size_t offset, global int *x) {
+    __clc_vstore16_int__global(vec, offset, x);
+}
+
+_CLC_DECL void __clc_vstore4_uint__global(uint4 vec, size_t offset, __global uint *);
+_CLC_DECL void __clc_vstore8_uint__global(uint8 vec, size_t offset, __global uint *);
+_CLC_DECL void __clc_vstore16_uint__global(uint16 vec, size_t offset, __global uint *);
+
+_CLC_OVERLOAD _CLC_DEF void vstore4(uint4 vec, size_t offset, global uint *x) {
+    __clc_vstore4_uint__global(vec, offset, x);
+}
+_CLC_OVERLOAD _CLC_DEF void vstore8(uint8 vec, size_t offset, global uint *x) {
+    __clc_vstore8_uint__global(vec, offset, x);
+}
+_CLC_OVERLOAD _CLC_DEF void vstore16(uint16 vec, size_t offset, global uint *x) {
+    __clc_vstore16_uint__global(vec, offset, x);
+}
diff --git a/generic/lib/shared/vstore_if.ll b/generic/lib/shared/vstore_if.ll
new file mode 100644
index 0000000..30eb552
--- /dev/null
+++ b/generic/lib/shared/vstore_if.ll
@@ -0,0 +1,59 @@
+;Start int global vstore
+
+declare void @__clc_vstore2_impl_i32__global(<2 x i32> %vec, i32 %x, i32 %y)
+declare void @__clc_vstore3_impl_i32__global(<3 x i32> %vec, i32 %x, i32 %y)
+declare void @__clc_vstore4_impl_i32__global(<4 x i32> %vec, i32 %x, i32 %y)
+declare void @__clc_vstore8_impl_i32__global(<8 x i32> %vec, i32 %x, i32 %y)
+declare void @__clc_vstore16_impl_i32__global(<16 x i32> %vec, i32 %x, i32 %y)
+
+define void @__clc_vstore2_int__global(<2 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore2_impl_i32__global(<2 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+define void @__clc_vstore3_int__global(<3 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore3_impl_i32__global(<3 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+define void @__clc_vstore4_int__global(<4 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore4_impl_i32__global(<4 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+define void @__clc_vstore8_int__global(<8 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore8_impl_i32__global(<8 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+define void @__clc_vstore16_int__global(<16 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore16_impl_i32__global(<16 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+
+;Start uint global vstore
+define void @__clc_vstore2_uint__global(<2 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore2_impl_i32__global(<2 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+define void @__clc_vstore3_uint__global(<3 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore3_impl_i32__global(<3 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+define void @__clc_vstore4_uint__global(<4 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore4_impl_i32__global(<4 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+define void @__clc_vstore8_uint__global(<8 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore8_impl_i32__global(<8 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
+
+define void @__clc_vstore16_uint__global(<16 x i32> %vec, i32 %x, i32 %y) nounwind alwaysinline {
+  call void @__clc_vstore16_impl_i32__global(<16 x i32> %vec, i32 %x, i32 %y)
+  ret void
+}
\ No newline at end of file
diff --git a/generic/lib/shared/vstore_impl.ll b/generic/lib/shared/vstore_impl.ll
new file mode 100644
index 0000000..3baab5e
--- /dev/null
+++ b/generic/lib/shared/vstore_impl.ll
@@ -0,0 +1,50 @@
+; This provides optimized implementations of vstore4/8/16 for 32-bit int/uint
+
+define void @__clc_vstore2_impl_i32__global(<2 x i32> %vec, i32 %offset,  i32 addrspace(1)* nocapture %addr) nounwind alwaysinline {
+  %1 = ptrtoint i32 addrspace(1)* %addr to i32
+  %2 = add i32 %1, %offset
+  %3 = inttoptr i32 %2 to <2 x i32> addrspace(1)*
+  store <2 x i32> %vec, <2 x i32> addrspace(1)* %3, align 4, !tbaa !3
+  ret void
+}
+
+define void @__clc_vstore3_impl_i32__global(<3 x i32> %vec, i32 %offset,  i32 addrspace(1)* nocapture %addr) nounwind alwaysinline {
+  %1 = ptrtoint i32 addrspace(1)* %addr to i32
+  %2 = add i32 %1, %offset
+  %3 = inttoptr i32 %2 to <3 x i32> addrspace(1)*
+  store <3 x i32> %vec, <3 x i32> addrspace(1)* %3, align 4, !tbaa !3
+  ret void
+}
+
+define void @__clc_vstore4_impl_i32__global(<4 x i32> %vec, i32 %offset,  i32 addrspace(1)* nocapture %addr) nounwind alwaysinline {
+  %1 = ptrtoint i32 addrspace(1)* %addr to i32
+  %2 = add i32 %1, %offset
+  %3 = inttoptr i32 %2 to <4 x i32> addrspace(1)*
+  store <4 x i32> %vec, <4 x i32> addrspace(1)* %3, align 4, !tbaa !3
+  ret void
+}
+
+define void @__clc_vstore8_impl_i32__global(<8 x i32> %vec, i32 %offset,  i32 addrspace(1)* nocapture %addr) nounwind alwaysinline {
+  %1 = ptrtoint i32 addrspace(1)* %addr to i32
+  %2 = add i32 %1, %offset
+  %3 = inttoptr i32 %2 to <8 x i32> addrspace(1)*
+  store <8 x i32> %vec, <8 x i32> addrspace(1)* %3, align 4, !tbaa !3
+  ret void
+}
+
+define void @__clc_vstore16_impl_i32__global(<16 x i32> %vec, i32 %offset,  i32 addrspace(1)* nocapture %addr) nounwind alwaysinline {
+  %1 = ptrtoint i32 addrspace(1)* %addr to i32
+  %2 = add i32 %1, %offset
+  %3 = inttoptr i32 %2 to <16 x i32> addrspace(1)*
+  store <16 x i32> %vec, <16 x i32> addrspace(1)* %3, align 4, !tbaa !3
+  ret void
+}
+
+
+!1 = metadata !{metadata !"char", metadata !5}
+!2 = metadata !{metadata !"short", metadata !5}
+!3 = metadata !{metadata !"int", metadata !5}
+!4 = metadata !{metadata !"long", metadata !5}
+!5 = metadata !{metadata !"omnipotent char", metadata !6}
+!6 = metadata !{metadata !"Simple C/C++ TBAA"}
+