more file renaming, use underscores more consistently

.github/workflows/ci.yml

@@ -118,15 +118,15 @@ jobs:
     # Test the assembly implementations.
     - run: make test_asm
       working-directory: ./c
-    - run: make clean && rm blake3_sse41-x86_64-unix.S
+    - run: make clean && rm blake3_sse41_x86-64_unix.S
       working-directory: ./c
     - run: BLAKE3_NO_SSE41=1 make test_asm
       working-directory: ./c
-    - run: make clean && rm blake3_avx2-x86_64-unix.S
+    - run: make clean && rm blake3_avx2_x86-64_unix.S
       working-directory: ./c
     - run: BLAKE3_NO_SSE41=1 BLAKE3_NO_AVX2=1 make test_asm
       working-directory: ./c
-    - run: make clean && rm blake3_avx512-x86_64-unix.S
+    - run: make clean && rm blake3_avx512_x86-64_unix.S
       working-directory: ./c
     - run: BLAKE3_NO_SSE41=1 BLAKE3_NO_AVX2=1 BLAKE3_NO_AVX512=1 make test_asm
       working-directory: ./c

build.rs

@@ -87,24 +87,24 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
             // "c_prefer_intrinsics" feature is enabled.
             if is_windows_msvc() {
                 let mut build = new_build();
-                build.file("c/blake3_sse41-x86_64-windows-msvc.asm");
-                build.file("c/blake3_avx2-x86_64-windows-msvc.asm");
-                build.file("c/blake3_avx512-x86_64-windows-msvc.asm");
+                build.file("c/blake3_sse41_x86-64_windows_msvc.asm");
+                build.file("c/blake3_avx2_x86-64_windows_msvc.asm");
+                build.file("c/blake3_avx512_x86-64_windows_msvc.asm");
                 build.compile("blake3_asm");
             } else if is_windows_gnu() {
                 let mut build = new_build();
-                build.file("c/blake3_sse41-x86_64-windows-gnu.S");
-                build.file("c/blake3_avx2-x86_64-windows-gnu.S");
-                build.file("c/blake3_avx512-x86_64-windows-gnu.S");
+                build.file("c/blake3_sse41_x86-64_windows_gnu.S");
+                build.file("c/blake3_avx2_x86-64_windows_gnu.S");
+                build.file("c/blake3_avx512_x86-64_windows_gnu.S");
                 build.compile("blake3_asm");
             } else {
                 // All non-Windows implementations are assumed to support
                 // Linux-style assembly. These files do contain a small
                 // explicit workaround for macOS also.
                 let mut build = new_build();
-                build.file("c/blake3_sse41-x86_64-unix.S");
-                build.file("c/blake3_avx2-x86_64-unix.S");
-                build.file("c/blake3_avx512-x86_64-unix.S");
+                build.file("c/blake3_sse41_x86-64_unix.S");
+                build.file("c/blake3_avx2_x86-64_unix.S");
+                build.file("c/blake3_avx512_x86-64_unix.S");
                 build.compile("blake3_asm");
             }
         } else if is_x86_64() || is_x86_32() {

c/Makefile

@@ -9,21 +9,21 @@ ifdef BLAKE3_NO_SSE41
 EXTRAFLAGS += -DBLAKE3_NO_SSE41
 else
 TARGETS += blake3_sse41.o
-ASM_TARGETS += blake3_sse41-x86_64-unix.S
+ASM_TARGETS += blake3_sse41_x86-64_unix.S
 endif
 
 ifdef BLAKE3_NO_AVX2
 EXTRAFLAGS += -DBLAKE3_NO_AVX2
 else
 TARGETS += blake3_avx2.o
-ASM_TARGETS += blake3_avx2-x86_64-unix.S
+ASM_TARGETS += blake3_avx2_x86-64_unix.S
 endif
 
 ifdef BLAKE3_NO_AVX512
 EXTRAFLAGS += -DBLAKE3_NO_AVX512
 else
 TARGETS += blake3_avx512.o
-ASM_TARGETS += blake3_avx512-x86_64-unix.S
+ASM_TARGETS += blake3_avx512_x86-64_unix.S
 endif
 
 ifdef BLAKE3_USE_NEON

c/README.md

@@ -59,7 +59,7 @@ with a Unix-like OS, you can compile a working binary like this:
 
 ```bash
 gcc -O3 -o example example.c blake3.c blake3_dispatch.c blake3_portable.c \
-    blake3_sse41-x86_64-unix.S blake3_avx2-x86_64-unix.S blake3_avx512-x86_64-unix.S
+    blake3_sse41_x86-64_unix.S blake3_avx2_x86-64_unix.S blake3_avx512_x86-64_unix.S
 ```
 
 ## Building
@@ -91,7 +91,7 @@ the assembly implementations:
 
 ```bash
 gcc -shared -O3 -o libblake3.so blake3.c blake3_dispatch.c blake3_portable.c \
-    blake3_sse41-x86_64-unix.S blake3_avx2-x86_64-unix.S blake3_avx512-x86_64-unix.S
+    blake3_sse41_x86-64_unix.S blake3_avx2_x86-64_unix.S blake3_avx512_x86-64_unix.S
 ```
 
 When building the intrinsics-based implementations, you need to build

c/blake3_c_rust_bindings/build.rs

@@ -60,24 +60,24 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         // "prefer_intrinsics" feature is enabled.
         if is_windows_msvc() {
             let mut build = new_build();
-            build.file("../blake3_sse41-x86_64-windows-msvc.asm");
-            build.file("../blake3_avx2-x86_64-windows-msvc.asm");
-            build.file("../blake3_avx512-x86_64-windows-msvc.asm");
+            build.file("../blake3_sse41_x86-64_windows_msvc.asm");
+            build.file("../blake3_avx2_x86-64_windows_msvc.asm");
+            build.file("../blake3_avx512_x86-64_windows_msvc.asm");
             build.compile("blake3_asm");
         } else if is_windows_gnu() {
             let mut build = new_build();
-            build.file("../blake3_sse41-x86_64-windows-gnu.S");
-            build.file("../blake3_avx2-x86_64-windows-gnu.S");
-            build.file("../blake3_avx512-x86_64-windows-gnu.S");
+            build.file("../blake3_sse41_x86-64_windows_gnu.S");
+            build.file("../blake3_avx2_x86-64_windows_gnu.S");
+            build.file("../blake3_avx512_x86-64_windows_gnu.S");
             build.compile("blake3_asm");
         } else {
             // All non-Windows implementations are assumed to support
             // Linux-style assembly. These files do contain a small
             // explicit workaround for macOS also.
             let mut build = new_build();
-            build.file("../blake3_sse41-x86_64-unix.S");
-            build.file("../blake3_avx2-x86_64-unix.S");
-            build.file("../blake3_avx512-x86_64-unix.S");
+            build.file("../blake3_sse41_x86-64_unix.S");
+            build.file("../blake3_avx2_x86-64_unix.S");
+            build.file("../blake3_avx512_x86-64_unix.S");
             build.compile("blake3_asm");
         }
     } else if is_x86_64() || is_x86_32() {