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R600/SI: Implement sint<->fp64 conversions

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llvm-svn: 187987
This commit is contained in:
Niels Ole Salscheider 2013-08-08 16:06:08 +00:00
parent cb5ff9e1e0
commit 74ee40da2a
4 changed files with 30 additions and 2 deletions
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6
lib/Target/R600/SIInstrInfo.td
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@ -184,6 +184,12 @@ multiclass VOP1_32 <bits<8> op, string opName, list<dag> pattern>
multiclass VOP1_64 <bits<8> op, string opName, list<dag> pattern>
: VOP1_Helper <op, VReg_64, VSrc_64, opName, pattern>;
multiclass VOP1_32_64 <bits<8> op, string opName, list<dag> pattern>
: VOP1_Helper <op, VReg_32, VSrc_64, opName, pattern>;
multiclass VOP1_64_32 <bits<8> op, string opName, list<dag> pattern>
: VOP1_Helper <op, VReg_64, VSrc_32, opName, pattern>;
multiclass VOP2_Helper <bits<6> op, RegisterClass vrc, RegisterClass arc,
string opName, list<dag> pattern, string revOp> {
def _e32 : VOP2 <

8
lib/Target/R600/SIInstructions.td
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@ -603,8 +603,12 @@ defm V_MOV_B32 : VOP1_32 <0x00000001, "V_MOV_B32", []>;
} // End neverHasSideEffects = 1, isMoveImm = 1
defm V_READFIRSTLANE_B32 : VOP1_32 <0x00000002, "V_READFIRSTLANE_B32", []>;
//defm V_CVT_I32_F64 : VOP1_32 <0x00000003, "V_CVT_I32_F64", []>;
//defm V_CVT_F64_I32 : VOP1_64 <0x00000004, "V_CVT_F64_I32", []>;
defm V_CVT_I32_F64 : VOP1_32_64 <0x00000003, "V_CVT_I32_F64",
[(set i32:$dst, (fp_to_sint f64:$src0))]
>;
defm V_CVT_F64_I32 : VOP1_64_32 <0x00000004, "V_CVT_F64_I32",
[(set f64:$dst, (sint_to_fp i32:$src0))]
>;
defm V_CVT_F32_I32 : VOP1_32 <0x00000005, "V_CVT_F32_I32",
[(set f32:$dst, (sint_to_fp i32:$src0))]
>;

9
test/CodeGen/R600/fp64_to_sint.ll Normal file
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@ -0,0 +1,9 @@
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=CHECK
; CHECK: @fp64_to_sint
; CHECK: V_CVT_I32_F64_e32
define void @fp64_to_sint(i32 addrspace(1)* %out, double %in) {
%result = fptosi double %in to i32
store i32 %result, i32 addrspace(1)* %out
ret void
}

9
test/CodeGen/R600/sint_to_fp64.ll Normal file
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@ -0,0 +1,9 @@
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=CHECK
; CHECK: @sint_to_fp64
; CHECK: V_CVT_F64_I32_e32
define void @sint_to_fp64(double addrspace(1)* %out, i32 %in) {
%result = sitofp i32 %in to double
store double %result, double addrspace(1)* %out
ret void
}