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rust: silence warnings

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Lofty 2024-01-03 12:55:46 +00:00 committed by myrtle
parent e12ab86c75
commit 50d43742ce
1 changed files with 10 additions and 2 deletions
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12
rust/rust.cc
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@ -22,6 +22,9 @@
namespace { namespace {
USING_NEXTPNR_NAMESPACE; USING_NEXTPNR_NAMESPACE;
// `memcpy` is used here to avoid strict-aliasing problems, but GCC dislikes it.
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
template<typename T> template<typename T>
uint64_t wrap(T thing) { uint64_t wrap(T thing) {
static_assert(sizeof(T) <= 8, "T is too big for FFI"); static_assert(sizeof(T) <= 8, "T is too big for FFI");
@ -50,6 +53,7 @@ namespace {
memcpy(&w, &wire, sizeof(WireId)); memcpy(&w, &wire, sizeof(WireId));
return w; return w;
} }
#pragma GCC diagnostic pop
} }
using DownhillIter = decltype(Context(ArchArgs()).getPipsDownhill(WireId()).begin()); using DownhillIter = decltype(Context(ArchArgs()).getPipsDownhill(WireId()).begin());
@ -99,8 +103,10 @@ extern "C" {
uint64_t npnr_context_get_pips_leak(const Context *ctx, uint64_t **pips) { uint64_t npnr_context_get_pips_leak(const Context *ctx, uint64_t **pips) {
auto size = size_t{}; auto size = size_t{};
for (auto _pip : ctx->getPips()) for (auto _pip : ctx->getPips()) {
NPNR_UNUSED(_pip);
size++; size++;
}
*pips = new uint64_t[size]; *pips = new uint64_t[size];
auto idx = 0; auto idx = 0;
for (auto pip : ctx->getPips()) { for (auto pip : ctx->getPips()) {
@ -113,8 +119,10 @@ extern "C" {
uint64_t npnr_context_get_wires_leak(const Context *ctx, uint64_t **wires) { uint64_t npnr_context_get_wires_leak(const Context *ctx, uint64_t **wires) {
auto size = size_t{}; auto size = size_t{};
for (auto _wire : ctx->getWires()) for (auto _wire : ctx->getWires()) {
NPNR_UNUSED(_wire);
size++; size++;
}
*wires = new uint64_t[size]; *wires = new uint64_t[size];
auto idx = 0; auto idx = 0;
for (auto wire : ctx->getWires()) { for (auto wire : ctx->getWires()) {