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[flang][cuda] Add bind name for __ddiv_XX interfaces #153271

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Merged
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Aug 13, 2025
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[flang][cuda] Add bind name for __ddiv_XX interfaces #153271

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b91e2ad
[flang][cuda] Add bind name for __ddiv_XX interfaces
clementval Aug 12, 2025
1311811
Merge branch 'main' into cuf_ddiv
clementval Aug 13, 2025
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8 changes: 4 additions & 4 deletions flang/module/cudadevice.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -710,28 +710,28 @@ attributes(device) real(8) function sinpi(x) bind(c,name='__nv_sinpi')
end interface

interface __ddiv_rn
attributes(device) double precision function __ddiv_rn(x,y) bind(c)
attributes(device) double precision function __ddiv_rn(x,y) bind(c, name='__nv_ddiv_rn')
!dir$ ignore_tkr (d) x, (d) y
double precision, value :: x, y
end function
end interface

interface __ddiv_rz
attributes(device) double precision function __ddiv_rz(x,y) bind(c)
attributes(device) double precision function __ddiv_rz(x,y) bind(c, name='__nv_ddiv_rz')
!dir$ ignore_tkr (d) x, (d) y
double precision, value :: x, y
end function
end interface

interface __ddiv_ru
attributes(device) double precision function __ddiv_ru(x,y) bind(c)
attributes(device) double precision function __ddiv_ru(x,y) bind(c, name='__nv_ddiv_ru')
!dir$ ignore_tkr (d) x, (d) y
double precision, value :: x, y
end function
end interface

interface __ddiv_rd
attributes(device) double precision function __ddiv_rd(x,y) bind(c)
attributes(device) double precision function __ddiv_rd(x,y) bind(c, name='__nv_ddiv_rd')
!dir$ ignore_tkr (d) x, (d) y
double precision, value :: x, y
end function
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9 changes: 9 additions & 0 deletions flang/test/Lower/CUDA/cuda-device-proc.cuf
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Expand Up @@ -61,9 +61,14 @@ attributes(global) subroutine devsub()
res = __clz(ai)
res = __clz(al)
af = __cosf(af)
ad = __ddiv_rn(ad, ad)
ad = __ddiv_rz(ad, ad)
ad = __ddiv_ru(ad, ad)
ad = __ddiv_rd(ad, ad)
ai = __mul24(ai, ai)
ai = __umul24(ai, ai)
af = __powf(af, af)

end

! CHECK-LABEL: func.func @_QPdevsub() attributes {cuf.proc_attr = #cuf.cuda_proc<global>}
Expand Down Expand Up @@ -113,6 +118,10 @@ end
! CHECK: %{{.*}} = fir.call @__nv_clz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32) -> i32
! CHECK: %{{.*}} = fir.call @__nv_clzll(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> i32
! CHECK: %{{.*}} = fir.call @__nv_cosf(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> f32
! CHECK: %{{.*}} = fir.call @__nv_ddiv_rn(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64, f64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_ddiv_rz(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64, f64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_ddiv_ru(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64, f64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_ddiv_rd(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64, f64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_mul24(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32, i32) -> i32
! CHECK: %{{.*}} = fir.call @__nv_umul24(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32, i32) -> i32
! CHECK: %{{.*}} = fir.call @__nv_powf(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32, f32) -> f32
Expand Down