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R600/SI: Add global atomicrmw sub

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v2: Add separate offset/no-offset tests

Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Matt Arsenault <matthew.arsenault@amd.com>
llvm-svn: 220104
This commit is contained in:
Aaron Watry 2014-10-17 23:32:52 +00:00
parent 20f3932334
commit ad528e135c
3 changed files with 84 additions and 1 deletions
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1
lib/Target/R600/AMDGPUInstructions.td
View File

@ -387,6 +387,7 @@ class global_binary_atomic_op<SDNode atomic_op> : PatFrag<
>;
def atomic_add_global : global_binary_atomic_op<atomic_load_add>;
def atomic_sub_global : global_binary_atomic_op<atomic_load_sub>;
//===----------------------------------------------------------------------===//
// Misc Pattern Fragments

4
lib/Target/R600/SIInstructions.td
View File

@ -900,7 +900,9 @@ defm BUFFER_STORE_DWORDX4 : MUBUF_Store_Helper <
defm BUFFER_ATOMIC_ADD : MUBUF_Atomic <
0x00000032, "BUFFER_ATOMIC_ADD", VReg_32, i32, atomic_add_global
>;
//def BUFFER_ATOMIC_SUB : MUBUF_ <0x00000033, "BUFFER_ATOMIC_SUB", []>;
defm BUFFER_ATOMIC_SUB : MUBUF_Atomic <
0x00000033, "BUFFER_ATOMIC_SUB", VReg_32, i32, atomic_sub_global
>;
//def BUFFER_ATOMIC_RSUB : MUBUF_ <0x00000034, "BUFFER_ATOMIC_RSUB", []>;
//def BUFFER_ATOMIC_SMIN : MUBUF_ <0x00000035, "BUFFER_ATOMIC_SMIN", []>;
//def BUFFER_ATOMIC_UMIN : MUBUF_ <0x00000036, "BUFFER_ATOMIC_UMIN", []>;

80
test/CodeGen/R600/global_atomics.ll
View File

@ -79,3 +79,83 @@ entry:
store i32 %0, i32 addrspace(1)* %out2
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_i32_offset:
; SI: BUFFER_ATOMIC_SUB v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], 0 offset:0x10{{$}}
define void @atomic_sub_i32_offset(i32 addrspace(1)* %out, i32 %in) {
entry:
%gep = getelementptr i32 addrspace(1)* %out, i32 4
%0 = atomicrmw volatile sub i32 addrspace(1)* %gep, i32 %in seq_cst
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_i32_ret_offset:
; SI: BUFFER_ATOMIC_SUB [[RET:v[0-9]+]], s[{{[0-9]+}}:{{[0-9]+}}], 0 offset:0x10 glc {{$}}
; SI: BUFFER_STORE_DWORD [[RET]]
define void @atomic_sub_i32_ret_offset(i32 addrspace(1)* %out, i32 addrspace(1)* %out2, i32 %in) {
entry:
%gep = getelementptr i32 addrspace(1)* %out, i32 4
%0 = atomicrmw volatile sub i32 addrspace(1)* %gep, i32 %in seq_cst
store i32 %0, i32 addrspace(1)* %out2
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_i32_addr64_offset:
; SI: BUFFER_ATOMIC_SUB v{{[0-9]+}}, v[{{[0-9]+}}:{{[0-9]+}}], s[{{[0-9]+}}:{{[0-9]+}}], 0 addr64 offset:0x10{{$}}
define void @atomic_sub_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
entry:
%ptr = getelementptr i32 addrspace(1)* %out, i64 %index
%gep = getelementptr i32 addrspace(1)* %ptr, i32 4
%0 = atomicrmw volatile sub i32 addrspace(1)* %gep, i32 %in seq_cst
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_i32_ret_addr64_offset:
; SI: BUFFER_ATOMIC_SUB [[RET:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}], s[{{[0-9]+}}:{{[0-9]+}}], 0 addr64 offset:0x10 glc{{$}}
; SI: BUFFER_STORE_DWORD [[RET]]
define void @atomic_sub_i32_ret_addr64_offset(i32 addrspace(1)* %out, i32 addrspace(1)* %out2, i32 %in, i64 %index) {
entry:
%ptr = getelementptr i32 addrspace(1)* %out, i64 %index
%gep = getelementptr i32 addrspace(1)* %ptr, i32 4
%0 = atomicrmw volatile sub i32 addrspace(1)* %gep, i32 %in seq_cst
store i32 %0, i32 addrspace(1)* %out2
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_i32:
; SI: BUFFER_ATOMIC_SUB v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], 0{{$}}
define void @atomic_sub_i32(i32 addrspace(1)* %out, i32 %in) {
entry:
%0 = atomicrmw volatile sub i32 addrspace(1)* %out, i32 %in seq_cst
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_i32_ret:
; SI: BUFFER_ATOMIC_SUB [[RET:v[0-9]+]], s[{{[0-9]+}}:{{[0-9]+}}], 0 glc
; SI: BUFFER_STORE_DWORD [[RET]]
define void @atomic_sub_i32_ret(i32 addrspace(1)* %out, i32 addrspace(1)* %out2, i32 %in) {
entry:
%0 = atomicrmw volatile sub i32 addrspace(1)* %out, i32 %in seq_cst
store i32 %0, i32 addrspace(1)* %out2
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_i32_addr64:
; SI: BUFFER_ATOMIC_SUB v{{[0-9]+}}, v[{{[0-9]+}}:{{[0-9]+}}], s[{{[0-9]+}}:{{[0-9]+}}], 0 addr64{{$}}
define void @atomic_sub_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
entry:
%ptr = getelementptr i32 addrspace(1)* %out, i64 %index
%0 = atomicrmw volatile sub i32 addrspace(1)* %ptr, i32 %in seq_cst
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_i32_ret_addr64:
; SI: BUFFER_ATOMIC_SUB [[RET:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}], s[{{[0-9]+}}:{{[0-9]+}}], 0 addr64 glc{{$}}
; SI: BUFFER_STORE_DWORD [[RET]]
define void @atomic_sub_i32_ret_addr64(i32 addrspace(1)* %out, i32 addrspace(1)* %out2, i32 %in, i64 %index) {
entry:
%ptr = getelementptr i32 addrspace(1)* %out, i64 %index
%0 = atomicrmw volatile sub i32 addrspace(1)* %ptr, i32 %in seq_cst
store i32 %0, i32 addrspace(1)* %out2
ret void
}