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Fix mixed-type GEMM packing for backends without half/quarter packets

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libeigen/eigen!2297

Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
This commit is contained in:
Rasmus Munk Larsen
2026-03-21 09:46:54 -07:00
parent 1d21d62fbc
commit 54b04fc6b1
4 changed files with 39 additions and 16 deletions
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2
test/CMakeLists.txt
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@@ -196,6 +196,8 @@ if(COMPILER_SUPPORTS_VECTOR_EXTENSIONS)
ei_add_test(packetmath_generic_16 "-DEIGEN_FAST_MATH=1")
ei_add_test(packetmath_generic_32 "-DEIGEN_FAST_MATH=1")
ei_add_test(packetmath_generic_64 "-DEIGEN_FAST_MATH=1")
ei_add_test(mixingtypes_generic_32)
ei_add_test(mixingtypes_generic_64)
endif()
ei_add_test(packet_segment)
ei_add_test(vectorization_logic)

4
test/mixingtypes_generic_32.cpp Normal file
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@@ -0,0 +1,4 @@
// Force the generic clang vector backend with 32-byte vectors.
#define EIGEN_VECTORIZE_GENERIC 1
#define EIGEN_GENERIC_VECTOR_SIZE_BYTES 32
#include "mixingtypes.cpp"

4
test/mixingtypes_generic_64.cpp Normal file
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@@ -0,0 +1,4 @@
// Force the generic clang vector backend with 64-byte vectors.
#define EIGEN_VECTORIZE_GENERIC 1
#define EIGEN_GENERIC_VECTOR_SIZE_BYTES 64
#include "mixingtypes.cpp"