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nvptx - thread, grid, and block dim/idx can only return non-negative values #149665

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nvptx - thread, grid, and block dim/idx can only return non-negative values #149665

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48 changes: 24 additions & 24 deletions library/stdarch/crates/core_arch/src/nvptx/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,29 +23,29 @@ unsafe extern "C" {
#[link_name = "llvm.nvvm.barrier0"]
fn syncthreads() -> ();
#[link_name = "llvm.nvvm.read.ptx.sreg.ntid.x"]
fn block_dim_x() -> i32;
fn block_dim_x() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.ntid.y"]
fn block_dim_y() -> i32;
fn block_dim_y() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.ntid.z"]
fn block_dim_z() -> i32;
fn block_dim_z() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.ctaid.x"]
fn block_idx_x() -> i32;
fn block_idx_x() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.ctaid.y"]
fn block_idx_y() -> i32;
fn block_idx_y() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.ctaid.z"]
fn block_idx_z() -> i32;
fn block_idx_z() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.nctaid.x"]
fn grid_dim_x() -> i32;
fn grid_dim_x() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.nctaid.y"]
fn grid_dim_y() -> i32;
fn grid_dim_y() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.nctaid.z"]
fn grid_dim_z() -> i32;
fn grid_dim_z() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.tid.x"]
fn thread_idx_x() -> i32;
fn thread_idx_x() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.tid.y"]
fn thread_idx_y() -> i32;
fn thread_idx_y() -> u32;
#[link_name = "llvm.nvvm.read.ptx.sreg.tid.z"]
fn thread_idx_z() -> i32;
fn thread_idx_z() -> u32;
}

/// Synchronizes all threads in the block.
Expand All @@ -58,84 +58,84 @@ pub unsafe fn _syncthreads() -> () {
/// x-th thread-block dimension.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _block_dim_x() -> i32 {
pub unsafe fn _block_dim_x() -> u32 {
block_dim_x()
}

/// y-th thread-block dimension.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _block_dim_y() -> i32 {
pub unsafe fn _block_dim_y() -> u32 {
block_dim_y()
}

/// z-th thread-block dimension.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _block_dim_z() -> i32 {
pub unsafe fn _block_dim_z() -> u32 {
block_dim_z()
}

/// x-th thread-block index.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _block_idx_x() -> i32 {
pub unsafe fn _block_idx_x() -> u32 {
block_idx_x()
}

/// y-th thread-block index.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _block_idx_y() -> i32 {
pub unsafe fn _block_idx_y() -> u32 {
block_idx_y()
}

/// z-th thread-block index.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _block_idx_z() -> i32 {
pub unsafe fn _block_idx_z() -> u32 {
block_idx_z()
}

/// x-th block-grid dimension.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _grid_dim_x() -> i32 {
pub unsafe fn _grid_dim_x() -> u32 {
grid_dim_x()
}

/// y-th block-grid dimension.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _grid_dim_y() -> i32 {
pub unsafe fn _grid_dim_y() -> u32 {
grid_dim_y()
}

/// z-th block-grid dimension.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _grid_dim_z() -> i32 {
pub unsafe fn _grid_dim_z() -> u32 {
grid_dim_z()
}

/// x-th thread index.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _thread_idx_x() -> i32 {
pub unsafe fn _thread_idx_x() -> u32 {
thread_idx_x()
}

/// y-th thread index.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _thread_idx_y() -> i32 {
pub unsafe fn _thread_idx_y() -> u32 {
thread_idx_y()
}

/// z-th thread index.
#[inline]
#[unstable(feature = "stdarch_nvptx", issue = "111199")]
pub unsafe fn _thread_idx_z() -> i32 {
pub unsafe fn _thread_idx_z() -> u32 {
thread_idx_z()
}

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