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[SPARC] Remove CCIfConsecutiveRegs for f128 returns #170133

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[SPARC] Remove CCIfConsecutiveRegs for f128 returns #170133

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2 changes: 1 addition & 1 deletion llvm/lib/Target/Sparc/SparcCallingConv.td
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ def RetCC_Sparc32 : CallingConv<[
CCIfType<[f32], CCAssignToReg<[F0, F1, F2, F3]>>,
CCIfType<[f64], CCAssignToReg<[D0, D1]>>,
// FIXME GCC in soft-float mode passes f128 as if 2xi64 values.
CCIfType<[f128], CCIfInReg<CCIfConsecutiveRegs<CCAssignToReg<[Q0, Q1]>>>>,
CCIfType<[f128], CCIfInReg<CCAssignToReg<[Q0, Q1]>>>,
CCIfType<[v2i32], CCCustom<"CC_Sparc_Assign_Ret_Split_64">>
]>;

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75 changes: 75 additions & 0 deletions llvm/test/CodeGen/SPARC/fp128-abi.ll
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Expand Up @@ -87,3 +87,78 @@ define fp128 @f128_direct_spill(i32 %o0, i32 %o1, i32 %o2, i32 %o3, i32 %o4, i32
ret fp128 %ret
}
declare fp128 @f128_callee_spill(i32 %o0, i32 %o1, i32 %o2, i32 %o3, i32 %o4, i32 %o5, fp128 %a)

define inreg { fp128, fp128 } @f128_complex(fp128 %num) nounwind {
; SPARC32-LABEL: f128_complex:
; SPARC32: ! %bb.0:
; SPARC32-NEXT: save %sp, -192, %sp
; SPARC32-NEXT: ldd [%i0], %f0
; SPARC32-NEXT: ldd [%i0+8], %f4
; SPARC32-NEXT: std %f4, [%fp+-24]
; SPARC32-NEXT: std %f0, [%fp+-32]
; SPARC32-NEXT: std %f4, [%fp+-8]
; SPARC32-NEXT: add %fp, -16, %o0
; SPARC32-NEXT: add %fp, -32, %o1
; SPARC32-NEXT: call f128_complex_callee
; SPARC32-NEXT: std %f0, [%fp+-16]
; SPARC32-NEXT: sethi %hi(.LCPI2_0), %i0
; SPARC32-NEXT: ldd [%i0+%lo(.LCPI2_0)], %f8
; SPARC32-NEXT: add %i0, %lo(.LCPI2_0), %i0
; SPARC32-NEXT: ldd [%i0+8], %f12
; SPARC32-NEXT: std %f4, [%fp+-96]
; SPARC32-NEXT: std %f6, [%fp+-88] ! 16-byte Folded Spill
; SPARC32-NEXT: std %f8, [%fp+-80]
; SPARC32-NEXT: std %f12, [%fp+-72]
; SPARC32-NEXT: std %f2, [%fp+-56]
; SPARC32-NEXT: std %f0, [%fp+-64]
; SPARC32-NEXT: add %fp, -48, %i0
; SPARC32-NEXT: add %fp, -64, %o0
; SPARC32-NEXT: add %fp, -80, %o1
; SPARC32-NEXT: call _Q_add
; SPARC32-NEXT: st %i0, [%sp+64]
; SPARC32-NEXT: unimp 16
; SPARC32-NEXT: ldd [%fp+-48], %f0
; SPARC32-NEXT: ldd [%fp+-40], %f2
; SPARC32-NEXT: ldd [%fp+-96], %f4
; SPARC32-NEXT: ldd [%fp+-88], %f6 ! 16-byte Folded Reload
; SPARC32-NEXT: ret
; SPARC32-NEXT: restore
;
; SPARC64-LABEL: f128_complex:
; SPARC64: ! %bb.0:
; SPARC64-NEXT: save %sp, -240, %sp
; SPARC64-NEXT: fmovd %f0, %f4
; SPARC64-NEXT: fmovd %f2, %f6
; SPARC64-NEXT: call f128_complex_callee
; SPARC64-NEXT: nop
; SPARC64-NEXT: std %f4, [%fp+1983]
; SPARC64-NEXT: std %f6, [%fp+1991] ! 16-byte Folded Spill
; SPARC64-NEXT: sethi %h44(.LCPI2_0), %i0
; SPARC64-NEXT: add %i0, %m44(.LCPI2_0), %i0
; SPARC64-NEXT: sllx %i0, 12, %i0
; SPARC64-NEXT: ldd [%i0+%l44(.LCPI2_0)], %f4
; SPARC64-NEXT: add %i0, %l44(.LCPI2_0), %i0
; SPARC64-NEXT: ldd [%i0+8], %f8
; SPARC64-NEXT: std %f2, [%fp+2023]
; SPARC64-NEXT: std %f0, [%fp+2015]
; SPARC64-NEXT: std %f4, [%fp+1999]
; SPARC64-NEXT: std %f8, [%fp+2007]
; SPARC64-NEXT: add %fp, 2031, %o0
; SPARC64-NEXT: add %fp, 2015, %o1
; SPARC64-NEXT: call _Qp_add
; SPARC64-NEXT: add %fp, 1999, %o2
; SPARC64-NEXT: ldd [%fp+2031], %f0
; SPARC64-NEXT: ldd [%fp+2039], %f2
; SPARC64-NEXT: ldd [%fp+1983], %f4
; SPARC64-NEXT: ldd [%fp+1991], %f6 ! 16-byte Folded Reload
; SPARC64-NEXT: ret
; SPARC64-NEXT: restore
%call = call inreg { fp128, fp128 } @f128_complex_callee(fp128 %num, fp128 %num)
%real = extractvalue { fp128, fp128 } %call, 0
%imag = extractvalue { fp128, fp128 } %call, 1
%add = fadd fp128 %real, 0xL00000000000000003FFF000000000000
%tmp = insertvalue { fp128, fp128 } poison, fp128 %add, 0
%ret = insertvalue { fp128, fp128 } %tmp, fp128 %imag, 1
ret { fp128, fp128 } %ret
}
declare inreg { fp128, fp128 } @f128_complex_callee(fp128 %a, fp128 %b)
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