[libc-commits] [libc] [libc] add more stdbit.h entrypoints to additional targets (PR #82440)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Nick Desaulniers (nickdesaulniers)

<details>
<summary>Changes</summary>

stdbit.h isn't complete yet, but looking to turn these on on more targets for
earlier feedback.


---
Full diff: https://github.com/llvm/llvm-project/pull/82440.diff


6 Files Affected:

- (modified) libc/config/baremetal/arm/entrypoints.txt (+43) 
- (modified) libc/config/baremetal/riscv/entrypoints.txt (+42) 
- (modified) libc/config/gpu/entrypoints.txt (+42) 
- (modified) libc/config/linux/aarch64/entrypoints.txt (+35) 
- (modified) libc/config/linux/arm/entrypoints.txt (+35) 
- (modified) libc/config/linux/riscv/entrypoints.txt (+35) 


``````````diff
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index f725b1c2394c6a..608ac46034306b 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -73,6 +73,49 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdio.vsprintf
     libc.src.stdio.vsnprintf
 
+
+    # stdbit.h entrypoints
+    libc.src.stdbit.stdc_leading_zeros_uc
+    libc.src.stdbit.stdc_leading_zeros_us
+    libc.src.stdbit.stdc_leading_zeros_ui
+    libc.src.stdbit.stdc_leading_zeros_ul
+    libc.src.stdbit.stdc_leading_zeros_ull
+    libc.src.stdbit.stdc_leading_ones_uc
+    libc.src.stdbit.stdc_leading_ones_us
+    libc.src.stdbit.stdc_leading_ones_ui
+    libc.src.stdbit.stdc_leading_ones_ul
+    libc.src.stdbit.stdc_leading_ones_ull
+    libc.src.stdbit.stdc_trailing_zeros_uc
+    libc.src.stdbit.stdc_trailing_zeros_us
+    libc.src.stdbit.stdc_trailing_zeros_ui
+    libc.src.stdbit.stdc_trailing_zeros_ul
+    libc.src.stdbit.stdc_trailing_zeros_ull
+    libc.src.stdbit.stdc_trailing_ones_uc
+    libc.src.stdbit.stdc_trailing_ones_us
+    libc.src.stdbit.stdc_trailing_ones_ui
+    libc.src.stdbit.stdc_trailing_ones_ul
+    libc.src.stdbit.stdc_trailing_ones_ull
+    libc.src.stdbit.stdc_first_leading_zero_uc
+    libc.src.stdbit.stdc_first_leading_zero_us
+    libc.src.stdbit.stdc_first_leading_zero_ui
+    libc.src.stdbit.stdc_first_leading_zero_ul
+    libc.src.stdbit.stdc_first_leading_zero_ull
+    libc.src.stdbit.stdc_first_leading_one_uc
+    libc.src.stdbit.stdc_first_leading_one_us
+    libc.src.stdbit.stdc_first_leading_one_ui
+    libc.src.stdbit.stdc_first_leading_one_ul
+    libc.src.stdbit.stdc_first_leading_one_ull
+    libc.src.stdbit.stdc_first_trailing_zero_uc
+    libc.src.stdbit.stdc_first_trailing_zero_us
+    libc.src.stdbit.stdc_first_trailing_zero_ui
+    libc.src.stdbit.stdc_first_trailing_zero_ul
+    libc.src.stdbit.stdc_first_trailing_zero_ull
+    libc.src.stdbit.stdc_first_trailing_one_uc
+    libc.src.stdbit.stdc_first_trailing_one_us
+    libc.src.stdbit.stdc_first_trailing_one_ui
+    libc.src.stdbit.stdc_first_trailing_one_ul
+    libc.src.stdbit.stdc_first_trailing_one_ull
+
     # stdlib.h entrypoints
     libc.src.stdlib.abort
     libc.src.stdlib.abs
diff --git a/libc/config/baremetal/riscv/entrypoints.txt b/libc/config/baremetal/riscv/entrypoints.txt
index f725b1c2394c6a..2f299e992be09a 100644
--- a/libc/config/baremetal/riscv/entrypoints.txt
+++ b/libc/config/baremetal/riscv/entrypoints.txt
@@ -73,6 +73,48 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdio.vsprintf
     libc.src.stdio.vsnprintf
 
+    # stdbit.h entrypoints
+    libc.src.stdbit.stdc_leading_zeros_uc
+    libc.src.stdbit.stdc_leading_zeros_us
+    libc.src.stdbit.stdc_leading_zeros_ui
+    libc.src.stdbit.stdc_leading_zeros_ul
+    libc.src.stdbit.stdc_leading_zeros_ull
+    libc.src.stdbit.stdc_leading_ones_uc
+    libc.src.stdbit.stdc_leading_ones_us
+    libc.src.stdbit.stdc_leading_ones_ui
+    libc.src.stdbit.stdc_leading_ones_ul
+    libc.src.stdbit.stdc_leading_ones_ull
+    libc.src.stdbit.stdc_trailing_zeros_uc
+    libc.src.stdbit.stdc_trailing_zeros_us
+    libc.src.stdbit.stdc_trailing_zeros_ui
+    libc.src.stdbit.stdc_trailing_zeros_ul
+    libc.src.stdbit.stdc_trailing_zeros_ull
+    libc.src.stdbit.stdc_trailing_ones_uc
+    libc.src.stdbit.stdc_trailing_ones_us
+    libc.src.stdbit.stdc_trailing_ones_ui
+    libc.src.stdbit.stdc_trailing_ones_ul
+    libc.src.stdbit.stdc_trailing_ones_ull
+    libc.src.stdbit.stdc_first_leading_zero_uc
+    libc.src.stdbit.stdc_first_leading_zero_us
+    libc.src.stdbit.stdc_first_leading_zero_ui
+    libc.src.stdbit.stdc_first_leading_zero_ul
+    libc.src.stdbit.stdc_first_leading_zero_ull
+    libc.src.stdbit.stdc_first_leading_one_uc
+    libc.src.stdbit.stdc_first_leading_one_us
+    libc.src.stdbit.stdc_first_leading_one_ui
+    libc.src.stdbit.stdc_first_leading_one_ul
+    libc.src.stdbit.stdc_first_leading_one_ull
+    libc.src.stdbit.stdc_first_trailing_zero_uc
+    libc.src.stdbit.stdc_first_trailing_zero_us
+    libc.src.stdbit.stdc_first_trailing_zero_ui
+    libc.src.stdbit.stdc_first_trailing_zero_ul
+    libc.src.stdbit.stdc_first_trailing_zero_ull
+    libc.src.stdbit.stdc_first_trailing_one_uc
+    libc.src.stdbit.stdc_first_trailing_one_us
+    libc.src.stdbit.stdc_first_trailing_one_ui
+    libc.src.stdbit.stdc_first_trailing_one_ul
+    libc.src.stdbit.stdc_first_trailing_one_ull
+
     # stdlib.h entrypoints
     libc.src.stdlib.abort
     libc.src.stdlib.abs
diff --git a/libc/config/gpu/entrypoints.txt b/libc/config/gpu/entrypoints.txt
index b333c6be144627..5224e92bbcc589 100644
--- a/libc/config/gpu/entrypoints.txt
+++ b/libc/config/gpu/entrypoints.txt
@@ -65,6 +65,48 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.string.strtok_r
     libc.src.string.strxfrm
 
+    # stdbit.h entrypoints
+    libc.src.stdbit.stdc_leading_zeros_uc
+    libc.src.stdbit.stdc_leading_zeros_us
+    libc.src.stdbit.stdc_leading_zeros_ui
+    libc.src.stdbit.stdc_leading_zeros_ul
+    libc.src.stdbit.stdc_leading_zeros_ull
+    libc.src.stdbit.stdc_leading_ones_uc
+    libc.src.stdbit.stdc_leading_ones_us
+    libc.src.stdbit.stdc_leading_ones_ui
+    libc.src.stdbit.stdc_leading_ones_ul
+    libc.src.stdbit.stdc_leading_ones_ull
+    libc.src.stdbit.stdc_trailing_zeros_uc
+    libc.src.stdbit.stdc_trailing_zeros_us
+    libc.src.stdbit.stdc_trailing_zeros_ui
+    libc.src.stdbit.stdc_trailing_zeros_ul
+    libc.src.stdbit.stdc_trailing_zeros_ull
+    libc.src.stdbit.stdc_trailing_ones_uc
+    libc.src.stdbit.stdc_trailing_ones_us
+    libc.src.stdbit.stdc_trailing_ones_ui
+    libc.src.stdbit.stdc_trailing_ones_ul
+    libc.src.stdbit.stdc_trailing_ones_ull
+    libc.src.stdbit.stdc_first_leading_zero_uc
+    libc.src.stdbit.stdc_first_leading_zero_us
+    libc.src.stdbit.stdc_first_leading_zero_ui
+    libc.src.stdbit.stdc_first_leading_zero_ul
+    libc.src.stdbit.stdc_first_leading_zero_ull
+    libc.src.stdbit.stdc_first_leading_one_uc
+    libc.src.stdbit.stdc_first_leading_one_us
+    libc.src.stdbit.stdc_first_leading_one_ui
+    libc.src.stdbit.stdc_first_leading_one_ul
+    libc.src.stdbit.stdc_first_leading_one_ull
+    libc.src.stdbit.stdc_first_trailing_zero_uc
+    libc.src.stdbit.stdc_first_trailing_zero_us
+    libc.src.stdbit.stdc_first_trailing_zero_ui
+    libc.src.stdbit.stdc_first_trailing_zero_ul
+    libc.src.stdbit.stdc_first_trailing_zero_ull
+    libc.src.stdbit.stdc_first_trailing_one_uc
+    libc.src.stdbit.stdc_first_trailing_one_us
+    libc.src.stdbit.stdc_first_trailing_one_ui
+    libc.src.stdbit.stdc_first_trailing_one_ul
+    libc.src.stdbit.stdc_first_trailing_one_ull
+
     # stdlib.h entrypoints
     libc.src.stdlib.abs
     libc.src.stdlib.atoi
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index 6e194682df4bfc..8a6c160c099322 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -95,6 +95,41 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdbit.stdc_leading_zeros_ui
     libc.src.stdbit.stdc_leading_zeros_ul
     libc.src.stdbit.stdc_leading_zeros_ull
+    libc.src.stdbit.stdc_leading_ones_uc
+    libc.src.stdbit.stdc_leading_ones_us
+    libc.src.stdbit.stdc_leading_ones_ui
+    libc.src.stdbit.stdc_leading_ones_ul
+    libc.src.stdbit.stdc_leading_ones_ull
+    libc.src.stdbit.stdc_trailing_zeros_uc
+    libc.src.stdbit.stdc_trailing_zeros_us
+    libc.src.stdbit.stdc_trailing_zeros_ui
+    libc.src.stdbit.stdc_trailing_zeros_ul
+    libc.src.stdbit.stdc_trailing_zeros_ull
+    libc.src.stdbit.stdc_trailing_ones_uc
+    libc.src.stdbit.stdc_trailing_ones_us
+    libc.src.stdbit.stdc_trailing_ones_ui
+    libc.src.stdbit.stdc_trailing_ones_ul
+    libc.src.stdbit.stdc_trailing_ones_ull
+    libc.src.stdbit.stdc_first_leading_zero_uc
+    libc.src.stdbit.stdc_first_leading_zero_us
+    libc.src.stdbit.stdc_first_leading_zero_ui
+    libc.src.stdbit.stdc_first_leading_zero_ul
+    libc.src.stdbit.stdc_first_leading_zero_ull
+    libc.src.stdbit.stdc_first_leading_one_uc
+    libc.src.stdbit.stdc_first_leading_one_us
+    libc.src.stdbit.stdc_first_leading_one_ui
+    libc.src.stdbit.stdc_first_leading_one_ul
+    libc.src.stdbit.stdc_first_leading_one_ull
+    libc.src.stdbit.stdc_first_trailing_zero_uc
+    libc.src.stdbit.stdc_first_trailing_zero_us
+    libc.src.stdbit.stdc_first_trailing_zero_ui
+    libc.src.stdbit.stdc_first_trailing_zero_ul
+    libc.src.stdbit.stdc_first_trailing_zero_ull
+    libc.src.stdbit.stdc_first_trailing_one_uc
+    libc.src.stdbit.stdc_first_trailing_one_us
+    libc.src.stdbit.stdc_first_trailing_one_ui
+    libc.src.stdbit.stdc_first_trailing_one_ul
+    libc.src.stdbit.stdc_first_trailing_one_ull
 
     # stdlib.h entrypoints
     libc.src.stdlib.abs
diff --git a/libc/config/linux/arm/entrypoints.txt b/libc/config/linux/arm/entrypoints.txt
index 9bacfab7b0e5ae..7df19049088867 100644
--- a/libc/config/linux/arm/entrypoints.txt
+++ b/libc/config/linux/arm/entrypoints.txt
@@ -73,6 +73,41 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdbit.stdc_leading_zeros_ui
     libc.src.stdbit.stdc_leading_zeros_ul
     libc.src.stdbit.stdc_leading_zeros_ull
+    libc.src.stdbit.stdc_leading_ones_uc
+    libc.src.stdbit.stdc_leading_ones_us
+    libc.src.stdbit.stdc_leading_ones_ui
+    libc.src.stdbit.stdc_leading_ones_ul
+    libc.src.stdbit.stdc_leading_ones_ull
+    libc.src.stdbit.stdc_trailing_zeros_uc
+    libc.src.stdbit.stdc_trailing_zeros_us
+    libc.src.stdbit.stdc_trailing_zeros_ui
+    libc.src.stdbit.stdc_trailing_zeros_ul
+    libc.src.stdbit.stdc_trailing_zeros_ull
+    libc.src.stdbit.stdc_trailing_ones_uc
+    libc.src.stdbit.stdc_trailing_ones_us
+    libc.src.stdbit.stdc_trailing_ones_ui
+    libc.src.stdbit.stdc_trailing_ones_ul
+    libc.src.stdbit.stdc_trailing_ones_ull
+    libc.src.stdbit.stdc_first_leading_zero_uc
+    libc.src.stdbit.stdc_first_leading_zero_us
+    libc.src.stdbit.stdc_first_leading_zero_ui
+    libc.src.stdbit.stdc_first_leading_zero_ul
+    libc.src.stdbit.stdc_first_leading_zero_ull
+    libc.src.stdbit.stdc_first_leading_one_uc
+    libc.src.stdbit.stdc_first_leading_one_us
+    libc.src.stdbit.stdc_first_leading_one_ui
+    libc.src.stdbit.stdc_first_leading_one_ul
+    libc.src.stdbit.stdc_first_leading_one_ull
+    libc.src.stdbit.stdc_first_trailing_zero_uc
+    libc.src.stdbit.stdc_first_trailing_zero_us
+    libc.src.stdbit.stdc_first_trailing_zero_ui
+    libc.src.stdbit.stdc_first_trailing_zero_ul
+    libc.src.stdbit.stdc_first_trailing_zero_ull
+    libc.src.stdbit.stdc_first_trailing_one_uc
+    libc.src.stdbit.stdc_first_trailing_one_us
+    libc.src.stdbit.stdc_first_trailing_one_ui
+    libc.src.stdbit.stdc_first_trailing_one_ul
+    libc.src.stdbit.stdc_first_trailing_one_ull
 
     # stdlib.h entrypoints
     libc.src.stdlib.abs
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index 71ff4bcfc35195..5c8cc7618a9e8c 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -97,6 +97,41 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdbit.stdc_leading_zeros_ui
     libc.src.stdbit.stdc_leading_zeros_ul
     libc.src.stdbit.stdc_leading_zeros_ull
+    libc.src.stdbit.stdc_leading_ones_uc
+    libc.src.stdbit.stdc_leading_ones_us
+    libc.src.stdbit.stdc_leading_ones_ui
+    libc.src.stdbit.stdc_leading_ones_ul
+    libc.src.stdbit.stdc_leading_ones_ull
+    libc.src.stdbit.stdc_trailing_zeros_uc
+    libc.src.stdbit.stdc_trailing_zeros_us
+    libc.src.stdbit.stdc_trailing_zeros_ui
+    libc.src.stdbit.stdc_trailing_zeros_ul
+    libc.src.stdbit.stdc_trailing_zeros_ull
+    libc.src.stdbit.stdc_trailing_ones_uc
+    libc.src.stdbit.stdc_trailing_ones_us
+    libc.src.stdbit.stdc_trailing_ones_ui
+    libc.src.stdbit.stdc_trailing_ones_ul
+    libc.src.stdbit.stdc_trailing_ones_ull
+    libc.src.stdbit.stdc_first_leading_zero_uc
+    libc.src.stdbit.stdc_first_leading_zero_us
+    libc.src.stdbit.stdc_first_leading_zero_ui
+    libc.src.stdbit.stdc_first_leading_zero_ul
+    libc.src.stdbit.stdc_first_leading_zero_ull
+    libc.src.stdbit.stdc_first_leading_one_uc
+    libc.src.stdbit.stdc_first_leading_one_us
+    libc.src.stdbit.stdc_first_leading_one_ui
+    libc.src.stdbit.stdc_first_leading_one_ul
+    libc.src.stdbit.stdc_first_leading_one_ull
+    libc.src.stdbit.stdc_first_trailing_zero_uc
+    libc.src.stdbit.stdc_first_trailing_zero_us
+    libc.src.stdbit.stdc_first_trailing_zero_ui
+    libc.src.stdbit.stdc_first_trailing_zero_ul
+    libc.src.stdbit.stdc_first_trailing_zero_ull
+    libc.src.stdbit.stdc_first_trailing_one_uc
+    libc.src.stdbit.stdc_first_trailing_one_us
+    libc.src.stdbit.stdc_first_trailing_one_ui
+    libc.src.stdbit.stdc_first_trailing_one_ul
+    libc.src.stdbit.stdc_first_trailing_one_ull
 
     # stdlib.h entrypoints
     libc.src.stdlib.abs

``````````

</details>


https://github.com/llvm/llvm-project/pull/82440