r225922 - [AVX512] Add FP unpack intrinsics

[Adam Nemet]

Author: anemet
Date: Tue Jan 13 19:31:17 2015
New Revision: 225922

URL: http://llvm.org/viewvc/llvm-project?rev=225922&view=rev
Log:
[AVX512] Add FP unpack intrinsics

These are implemented with __builtin_shufflevector just like AVX.

We have some tests on the LLVM side to assert that these shufflevectors do
indeed generate the corresponding unpck instruction.

Part of <rdar://problem/17688758>

Modified:
    cfe/trunk/lib/Headers/avx512fintrin.h
    cfe/trunk/test/CodeGen/avx512f-builtins.c

Modified: cfe/trunk/lib/Headers/avx512fintrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/avx512fintrin.h?rev=225922&r1=225921&r2=225922&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/avx512fintrin.h (original)
+++ cfe/trunk/lib/Headers/avx512fintrin.h Tue Jan 13 19:31:17 2015
@@ -839,6 +839,39 @@ _mm512_cvt_roundpd_epu32(__m512d __A, co
                 __R);
 }
 
+/* Unpack and Interleave */
+static __inline __m512d __attribute__((__always_inline__, __nodebug__))
+_mm512_unpackhi_pd(__m512d __a, __m512d __b)
+{
+  return __builtin_shufflevector(__a, __b, 1, 9, 1+2, 9+2, 1+4, 9+4, 1+6, 9+6);
+}
+
+static __inline __m512d __attribute__((__always_inline__, __nodebug__))
+_mm512_unpacklo_pd(__m512d __a, __m512d __b)
+{
+  return __builtin_shufflevector(__a, __b, 0, 8, 0+2, 8+2, 0+4, 8+4, 0+6, 8+6);
+}
+
+static __inline __m512 __attribute__((__always_inline__, __nodebug__))
+_mm512_unpackhi_ps(__m512 __a, __m512 __b)
+{
+  return __builtin_shufflevector(__a, __b,
+                                 2,    18,    3,    19,
+                                 2+4,  18+4,  3+4,  19+4,
+                                 2+8,  18+8,  3+8,  19+8,
+                                 2+12, 18+12, 3+12, 19+12);
+}
+
+static __inline __m512 __attribute__((__always_inline__, __nodebug__))
+_mm512_unpacklo_ps(__m512 __a, __m512 __b)
+{
+  return __builtin_shufflevector(__a, __b,
+                                 0,    16,    1,    17,
+                                 0+4,  16+4,  1+4,  17+4,
+                                 0+8,  16+8,  1+8,  17+8,
+                                 0+12, 16+12, 1+12, 17+12);
+}
+
 /* Bit Test */
 
 static __inline __mmask16 __attribute__ ((__always_inline__, __nodebug__))

Modified: cfe/trunk/test/CodeGen/avx512f-builtins.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/avx512f-builtins.c?rev=225922&r1=225921&r2=225922&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/avx512f-builtins.c (original)
+++ cfe/trunk/test/CodeGen/avx512f-builtins.c Tue Jan 13 19:31:17 2015
@@ -182,3 +182,31 @@ __mmask8 test_mm512_cmpeq_epi64_mask(__m
   // CHECK: @llvm.x86.avx512.mask.pcmpeq.q.512
   return (__mmask8)_mm512_cmpeq_epi64_mask(__a, __b);
 }
+
+__m512d test_mm512_unpackhi_pd(__m512d a, __m512d b)
+{
+  // CHECK-LABEL: @test_mm512_unpackhi_pd
+  // CHECK: shufflevector <8 x double> {{.*}} <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15>
+  return _mm512_unpackhi_pd(a, b);
+}
+
+__m512d test_mm512_unpacklo_pd(__m512d a, __m512d b)
+{
+  // CHECK-LABEL: @test_mm512_unpacklo_pd
+  // CHECK: shufflevector <8 x double> {{.*}} <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
+  return _mm512_unpacklo_pd(a, b);
+}
+
+__m512d test_mm512_unpackhi_ps(__m512d a, __m512d b)
+{
+  // CHECK-LABEL: @test_mm512_unpackhi_ps
+  // CHECK: shufflevector <16 x float> {{.*}} <i32 2, i32 18, i32 3, i32 19, i32 6, i32 22, i32 7, i32 23, i32 10, i32 26, i32 11, i32 27, i32 14, i32 30, i32 15, i32 31>
+  return _mm512_unpackhi_ps(a, b);
+}
+
+__m512d test_mm512_unpacklo_ps(__m512d a, __m512d b)
+{
+  // CHECK-LABEL: @test_mm512_unpacklo_ps
+  // CHECK: shufflevector <16 x float> {{.*}} <i32 0, i32 16, i32 1, i32 17, i32 4, i32 20, i32 5, i32 21, i32 8, i32 24, i32 9, i32 25, i32 12, i32 28, i32 13, i32 29>
+  return _mm512_unpacklo_ps(a, b);
+}