_mm256_maskz_cvtepi16_epi8

moorabbit · moorabbit · commit 4b9a8504d234 · 2025-09-15T10:19:01.000-04:00
diff --git a/clang/lib/Headers/avx512vlbwintrin.h b/clang/lib/Headers/avx512vlbwintrin.h
@@ -1493,8 +1493,8 @@ _mm256_mask_cvtepi16_epi8(__m128i __O, __mmask16 __M, __m256i __A) {
                                              (__v16qi)__O);
 }
 
-static __inline__ __m128i __DEFAULT_FN_ATTRS256
-_mm256_maskz_cvtepi16_epi8 (__mmask16 __M, __m256i __A) {
+static __inline__ __m128i __DEFAULT_FN_ATTRS256_CONSTEXPR
+_mm256_maskz_cvtepi16_epi8(__mmask16 __M, __m256i __A) {
   return (__m128i)__builtin_ia32_selectb_128((__mmask16)__M,
                                              (__v16qi)_mm256_cvtepi16_epi8(__A),
                                              (__v16qi)_mm_setzero_si128());
diff --git a/clang/test/CodeGen/X86/avx512vlbw-builtins.c b/clang/test/CodeGen/X86/avx512vlbw-builtins.c
@@ -1966,6 +1966,8 @@ __m128i test_mm256_maskz_cvtepi16_epi8(__mmask16 __M, __m256i __A) {
   return _mm256_maskz_cvtepi16_epi8(__M, __A); 
 }
 
+TEST_CONSTEXPR(match_v16qi(_mm256_maskz_cvtepi16_epi8(/*1010 0011 0011 0101=*/0xa335, (__m256i)(__v16hi){1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}), 1, 0, 3, 0, 5, 6, 0, 0, 9, 10, 0, 0, 0, 14, 0, 16));
+
 __m128i test_mm_mask_mulhrs_epi16(__m128i __W, __mmask8 __U, __m128i __X, __m128i __Y) {
   // CHECK-LABEL: test_mm_mask_mulhrs_epi16
   // CHECK: @llvm.x86.ssse3.pmul.hr.sw

Original file line number	Diff line number	Diff line change
`@@ -1966,6 +1966,8 @@ __m128i test_mm256_maskz_cvtepi16_epi8(__mmask16 __M, __m256i __A) {`
`1966`	`1966`	`return _mm256_maskz_cvtepi16_epi8(__M, __A);`
`1967`	`1967`	`}`
`1968`	`1968`
	`1969`	`+TEST_CONSTEXPR(match_v16qi(_mm256_maskz_cvtepi16_epi8(/1010 0011 0011 0101=/0xa335, (__m256i)(__v16hi){1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}), 1, 0, 3, 0, 5, 6, 0, 0, 9, 10, 0, 0, 0, 14, 0, 16));`
	`1970`	`+`
`1969`	`1971`	`__m128i test_mm_mask_mulhrs_epi16(__m128i __W, __mmask8 __U, __m128i __X, __m128i __Y) {`
`1970`	`1972`	`// CHECK-LABEL: test_mm_mask_mulhrs_epi16`
`1971`	`1973`	`// CHECK: @llvm.x86.ssse3.pmul.hr.sw`