maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

R600/SI: Specify S_ADD/S_SUB set SCC and add is commutable 

llvm-svn: 195035
This commit is contained in:
Matt Arsenault 2013-11-18 20:09:32 +00:00
parent 43b8e4ed3b
commit e27a41b5a4
1 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
llvm/lib/Target/R600/SIInstructions.td
View File

@ -1126,17 +1126,29 @@ def V_DIV_FMAS_F64 : VOP3_64 <0x00000170, "V_DIV_FMAS_F64", []>;
//def V_QSAD_U8 : VOP3_U8 <0x00000172, "V_QSAD_U8", []>;
//def V_MQSAD_U8 : VOP3_U8 <0x00000173, "V_MQSAD_U8", []>;
def V_TRIG_PREOP_F64 : VOP3_64 <0x00000174, "V_TRIG_PREOP_F64", []>;
let Defs = [SCC] in { // Carry out goes to SCC
let isCommutable = 1 in {
def S_ADD_U32 : SOP2_32 <0x00000000, "S_ADD_U32", []>;
def S_SUB_U32 : SOP2_32 <0x00000001, "S_SUB_U32", []>;
def S_ADD_I32 : SOP2_32 <0x00000002, "S_ADD_I32",
[(set i32:$dst, (add i32:$src0, i32:$src1))]
>;
} // End isCommutable = 1
def S_SUB_U32 : SOP2_32 <0x00000001, "S_SUB_U32", []>;
def S_SUB_I32 : SOP2_32 <0x00000003, "S_SUB_I32",
[(set i32:$dst, (sub i32:$src0, i32:$src1))]
>;
let Uses = [SCC] in { // Carry in comes from SCC
let isCommutable = 1 in {
def S_ADDC_U32 : SOP2_32 <0x00000004, "S_ADDC_U32", []>;
} // End isCommutable = 1
def S_SUBB_U32 : SOP2_32 <0x00000005, "S_SUBB_U32", []>;
} // End Uses = [SCC]
} // End Defs = [SCC]
def S_MIN_I32 : SOP2_32 <0x00000006, "S_MIN_I32", []>;
def S_MIN_U32 : SOP2_32 <0x00000007, "S_MIN_U32", []>;
def S_MAX_I32 : SOP2_32 <0x00000008, "S_MAX_I32", []>;