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authorAaron Watry <awatry@gmail.com>2013-09-06 20:17:42 +0000
committerAaron Watry <awatry@gmail.com>2013-09-06 20:17:42 +0000
commit546dcc5ddc6d3c1fee50f10bedfea239a721f0e3 (patch)
tree9e19a9286dd9857ba9396da50ffc1c09d3be29ca /lib/Target/R600/SIInstructions.td
parente42279cda481b48138d2119f4a4bbce7077f0a72 (diff)
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R600: Add support for LDS atomic subtract
Signed-off-by: Aaron Watry <awatry@gmail.com> Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190200 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/SIInstructions.td')
-rw-r--r--lib/Target/R600/SIInstructions.td4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 31a5ad237e..14a189a07a 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -392,6 +392,7 @@ defm V_CMPX_CLASS_F64 : VOPC_64 <0x000000b8, "V_CMPX_CLASS_F64">;
} // End isCompare = 1
def DS_ADD_U32_RTN : DS_1A1D_RET <0x20, "DS_ADD_U32_RTN", VReg_32>;
+def DS_SUB_U32_RTN : DS_1A1D_RET <0x21, "DS_SUB_U32_RTN", VReg_32>;
def DS_WRITE_B32 : DS_Store_Helper <0x0000000d, "DS_WRITE_B32", VReg_32>;
def DS_WRITE_B8 : DS_Store_Helper <0x00000001e, "DS_WRITE_B8", VReg_32>;
def DS_WRITE_B16 : DS_Store_Helper <0x00000001f, "DS_WRITE_B16", VReg_32>;
@@ -1779,6 +1780,9 @@ def : DSWritePat <DS_WRITE_B32, i32, local_store>;
def : Pat <(atomic_load_add_local i32:$ptr, i32:$val),
(DS_ADD_U32_RTN 0, $ptr, $val, 0, 0)>;
+def : Pat <(atomic_load_sub_local i32:$ptr, i32:$val),
+ (DS_SUB_U32_RTN 0, $ptr, $val, 0, 0)>;
+
/********** ================== **********/
/********** SMRD Patterns **********/
/********** ================== **********/