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sync_atomic_* make most ordering parameters compile-time constant

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This commit is contained in:
gingerBill
2019-05-28 15:57:06 +01:00
parent 9cadd58465
commit 2b080dbbc2
1 changed files with 51 additions and 12 deletions
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63
core/sync/atomic.odin
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@@ -21,7 +21,7 @@ strongest_failure_ordering :: inline proc "contextless" (order: Ordering) -> Ord
return .Relaxed;
}
fence :: inline proc "contextless" (order: Ordering) {
fence :: inline proc "contextless" ($order: Ordering) {
#complete switch order {
case .Relaxed: panic("there is no such thing as a relaxed fence");
case .Release: intrinsics.atomic_fence_rel();
@@ -33,7 +33,7 @@ fence :: inline proc "contextless" (order: Ordering) {
}
atomic_store :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) {
atomic_store :: inline proc "contextless" (dst: ^$T, val: T, $order: Ordering) {
#complete switch order {
case .Relaxed: intrinsics.atomic_store_relaxed(dst, val);
case .Release: intrinsics.atomic_store_rel(dst, val);
@@ -44,7 +44,7 @@ atomic_store :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) {
}
}
atomic_load :: inline proc "contextless" (dst: ^$T, order: Ordering) -> T {
atomic_load :: inline proc "contextless" (dst: ^$T, $order: Ordering) -> T {
#complete switch order {
case .Relaxed: return intrinsics.atomic_load_relaxed(dst);
case .Acquire: return intrinsics.atomic_load_acq(dst);
@@ -56,7 +56,7 @@ atomic_load :: inline proc "contextless" (dst: ^$T, order: Ordering) -> T {
return T{};
}
atomic_swap :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T {
atomic_swap :: inline proc "contextless" (dst: ^$T, val: T, $order: Ordering) -> T {
#complete switch order {
case .Relaxed: return intrinsics.atomic_xchg_relaxed(dst, val);
case .Release: return intrinsics.atomic_xchg_rel(dst, val);
@@ -68,7 +68,7 @@ atomic_swap :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) ->
return T{};
}
atomic_compare_exchange :: inline proc "contextless" (dst: ^$T, old, new: T, success, failure: Ordering) -> (val: T, ok: bool) {
atomic_compare_exchange :: inline proc "contextless" (dst: ^$T, old, new: T, $success, $failure: Ordering) -> (val: T, ok: bool) {
switch failure {
case .Relaxed:
switch success {
@@ -76,10 +76,12 @@ atomic_compare_exchange :: inline proc "contextless" (dst: ^$T, old, new: T, suc
case .Acquire: return intrinsics.atomic_cxchg_acq_failrelaxed(dst, old, new);
case .Acquire_Release: return intrinsics.atomic_cxchg_acqrel_failrelaxed(dst, old, new);
case .Sequentially_Consistent: return intrinsics.atomic_cxchg_failrelaxed(dst, old, new);
case .Release: return intrinsics.atomic_cxchg_rel(dst, old, new);
case: panic("an unknown ordering combination");
}
case .Acquire:
switch success {
case .Release: return intrinsics.atomic_cxchg_acqrel(dst, old, new);
case .Acquire: return intrinsics.atomic_cxchg_acq(dst, old, new);
case: panic("an unknown ordering combination");
}
@@ -91,14 +93,51 @@ atomic_compare_exchange :: inline proc "contextless" (dst: ^$T, old, new: T, suc
case .Acquire_Release:
panic("there is not such thing as an acquire/release failure ordering");
case .Release:
panic("there is not such thing as an release failure ordering");
switch success {
case .Acquire: return instrinsics.atomic_cxchg_failacq(dst, old, new);
case: panic("an unknown ordering combination");
}
}
return T{}, false;
}
atomic_compare_exchange_weak :: inline proc "contextless" (dst: ^$T, old, new: T, $success, $failure: Ordering) -> (val: T, ok: bool) {
switch failure {
case .Relaxed:
switch success {
case .Relaxed: return intrinsics.atomic_cxchgweak_relaxed(dst, old, new);
case .Acquire: return intrinsics.atomic_cxchgweak_acq_failrelaxed(dst, old, new);
case .Acquire_Release: return intrinsics.atomic_cxchgweak_acqrel_failrelaxed(dst, old, new);
case .Sequentially_Consistent: return intrinsics.atomic_cxchgweak_failrelaxed(dst, old, new);
case .Release: return intrinsics.atomic_cxchgweak_rel(dst, old, new);
case: panic("an unknown ordering combination");
}
case .Acquire:
switch success {
case .Release: return intrinsics.atomic_cxchgweak_acqrel(dst, old, new);
case .Acquire: return intrinsics.atomic_cxchgweak_acq(dst, old, new);
case: panic("an unknown ordering combination");
}
case .Sequentially_Consistent:
switch success {
case .Sequentially_Consistent: return intrinsics.atomic_cxchgweak(dst, old, new);
case: panic("an unknown ordering combination");
}
case .Acquire_Release:
panic("there is not such thing as an acquire/release failure ordering");
case .Release:
switch success {
case .Acquire: return intrinsics.atomic_cxchgweak_failacq(dst, old, new);
case: panic("an unknown ordering combination");
}
}
return T{}, false;
}
atomic_add :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T {
atomic_add :: inline proc "contextless" (dst: ^$T, val: T, $order: Ordering) -> T {
#complete switch order {
case .Relaxed: return intrinsics.atomic_add_relaxed(dst, val);
case .Release: return intrinsics.atomic_add_rel(dst, val);
@@ -110,7 +149,7 @@ atomic_add :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T
return T{};
}
atomic_sub :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T {
atomic_sub :: inline proc "contextless" (dst: ^$T, val: T, $order: Ordering) -> T {
#complete switch order {
case .Relaxed: return intrinsics.atomic_sub_relaxed(dst, val);
case .Release: return intrinsics.atomic_sub_rel(dst, val);
@@ -122,7 +161,7 @@ atomic_sub :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T
return T{};
}
atomic_and :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T {
atomic_and :: inline proc "contextless" (dst: ^$T, val: T, $order: Ordering) -> T {
#complete switch order {
case .Relaxed: return intrinsics.atomic_and_relaxed(dst, val);
case .Release: return intrinsics.atomic_and_rel(dst, val);
@@ -134,7 +173,7 @@ atomic_and :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T
return T{};
}
atomic_nand :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T {
atomic_nand :: inline proc "contextless" (dst: ^$T, val: T, $order: Ordering) -> T {
#complete switch order {
case .Relaxed: return intrinsics.atomic_nand_relaxed(dst, val);
case .Release: return intrinsics.atomic_nand_rel(dst, val);
@@ -146,7 +185,7 @@ atomic_nand :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) ->
return T{};
}
atomic_or :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T {
atomic_or :: inline proc "contextless" (dst: ^$T, val: T, $order: Ordering) -> T {
#complete switch order {
case .Relaxed: return intrinsics.atomic_or_relaxed(dst, val);
case .Release: return intrinsics.atomic_or_rel(dst, val);
@@ -158,7 +197,7 @@ atomic_or :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T
return T{};
}
atomic_xor :: inline proc "contextless" (dst: ^$T, val: T, order: Ordering) -> T {
atomic_xor :: inline proc "contextless" (dst: ^$T, val: T, $order: Ordering) -> T {
#complete switch order {
case .Relaxed: return intrinsics.atomic_xor_relaxed(dst, val);
case .Release: return intrinsics.atomic_xor_rel(dst, val);