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[X86] Finally handle target of __builtin_ia32_cmp[p|s][s|d] from avx …
…into sse/sse2/avx (#84136) This patch relands #67410 and fixes the cmpfail below: #include <immintrin.h> __attribute__((target("avx"))) void test(__m128 a, __m128 b) { _mm_cmp_ps(a, b, 14); } According to Intel SDM, SSE/SSE2 instructions cmp[p|s][s|d] are supported when imm8 is in range of [0, 7]
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Original file line number | Diff line number | Diff line change |
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// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-unknown-unknown-emit-llvm -o /dev/null -verify | ||
// RUN: %clang_cc1 %s -ffreestanding -triple=i386-unknown-unknown-emit-llvm -o /dev/null -verify | ||
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// expected-no-diagnostics | ||
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#include <immintrin.h> | ||
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__attribute__((target("avx"))) | ||
__m128 test(__m128 a, __m128 b) { | ||
return _mm_cmp_ps(a, b, 14); | ||
} |
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