Separate WAsm micro-kernels and scalar micro-kernels
- WAsm-specific microkernels explicitly use f32.min/f32.max WAsm instructions
- About 2% end-to-end improvement on x86, no change on ARM64
PiperOrigin-RevId: 283845483
diff --git a/scripts/generate-f32-igemm.sh b/scripts/generate-f32-igemm.sh
index fcc7c47..d596a4f 100755
--- a/scripts/generate-f32-igemm.sh
+++ b/scripts/generate-f32-igemm.sh
@@ -5,10 +5,17 @@
# LICENSE file in the root directory of this source tree.
#################################### Scalar ###################################
-tools/xngen src/f32-igemm/scalar.c.in -D MR=1 -D NR=4 -o src/f32-igemm/gen/1x4-scalar.c
-tools/xngen src/f32-igemm/scalar.c.in -D MR=2 -D NR=4 -o src/f32-igemm/gen/2x4-scalar.c
-tools/xngen src/f32-igemm/scalar.c.in -D MR=4 -D NR=2 -o src/f32-igemm/gen/4x2-scalar.c
-tools/xngen src/f32-igemm/scalar.c.in -D MR=4 -D NR=4 -o src/f32-igemm/gen/4x4-scalar.c
+### Generic C micro-kernels
+tools/xngen src/f32-igemm/scalar.c.in -D MR=1 -D NR=4 -D WASM=0 -o src/f32-igemm/gen/1x4-scalar.c
+tools/xngen src/f32-igemm/scalar.c.in -D MR=2 -D NR=4 -D WASM=0 -o src/f32-igemm/gen/2x4-scalar.c
+tools/xngen src/f32-igemm/scalar.c.in -D MR=4 -D NR=2 -D WASM=0 -o src/f32-igemm/gen/4x2-scalar.c
+tools/xngen src/f32-igemm/scalar.c.in -D MR=4 -D NR=4 -D WASM=0 -o src/f32-igemm/gen/4x4-scalar.c
+
+### WAsm-specific micro-kernels
+tools/xngen src/f32-igemm/scalar.c.in -D MR=1 -D NR=4 -D WASM=1 -o src/f32-igemm/gen/1x4-wasm.c
+tools/xngen src/f32-igemm/scalar.c.in -D MR=2 -D NR=4 -D WASM=1 -o src/f32-igemm/gen/2x4-wasm.c
+tools/xngen src/f32-igemm/scalar.c.in -D MR=4 -D NR=2 -D WASM=1 -o src/f32-igemm/gen/4x2-wasm.c
+tools/xngen src/f32-igemm/scalar.c.in -D MR=4 -D NR=4 -D WASM=1 -o src/f32-igemm/gen/4x4-wasm.c
################################### ARM NEON ##################################
### LD64 micro-kernels