r332210 - [X86] Use __builtin_convertvector to implement _mm512_cvtps_pd.

[Craig Topper via cfe-commits]

Author: ctopper
Date: Sun May 13 21:05:06 2018
New Revision: 332210

URL: http://llvm.org/viewvc/llvm-project?rev=332210&view=rev
Log:
[X86] Use __builtin_convertvector to implement _mm512_cvtps_pd.

If we're using default rounding mode we can let __builtin_convertvector to generate an fpextend. This matches 128 and 256 bit.

If we're using the version that takes an explicit rounding mode argument we would need to look at the immediate to see if its CUR_DIRECTION.

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=332210&r1=332209&r2=332210&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/avx512fintrin.h (original)
+++ cfe/trunk/lib/Headers/avx512fintrin.h Sun May 13 21:05:06 2018
@@ -9311,11 +9311,7 @@ _mm512_maskz_expand_epi32 (__mmask16 __U
 static __inline__ __m512d __DEFAULT_FN_ATTRS
 _mm512_cvtps_pd (__m256 __A)
 {
-  return (__m512d) __builtin_ia32_cvtps2pd512_mask ((__v8sf) __A,
-                (__v8df)
-                _mm512_undefined_pd (),
-                (__mmask8) -1,
-                _MM_FROUND_CUR_DIRECTION);
+  return (__m512d) __builtin_convertvector((__v8sf)__A, __v8df);
 }
 
 static __inline__ __m512d __DEFAULT_FN_ATTRS

Modified: cfe/trunk/test/CodeGen/avx512f-builtins.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/avx512f-builtins.c?rev=332210&r1=332209&r2=332210&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/avx512f-builtins.c (original)
+++ cfe/trunk/test/CodeGen/avx512f-builtins.c Sun May 13 21:05:06 2018
@@ -6630,14 +6630,14 @@ __m512d test_mm512_maskz_cvt_roundps_pd(
 
 __m512d test_mm512_cvtps_pd(__m256 __A) {
   // CHECK-LABEL: @test_mm512_cvtps_pd
-  // CHECK: @llvm.x86.avx512.mask.cvtps2pd.512
+  // CHECK: fpext <8 x float> %{{.*}} to <8 x double>
   return _mm512_cvtps_pd(__A); 
 }
 
 __m512d test_mm512_cvtpslo_pd(__m512 __A) {
   // CHECK-LABEL: @test_mm512_cvtpslo_pd
   // CHECK: shufflevector <16 x float> %{{.*}}, <16 x float> %{{.*}}, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
-  // CHECK: @llvm.x86.avx512.mask.cvtps2pd.512
+  // CHECK: fpext <8 x float> %{{.*}} to <8 x double>
   return _mm512_cvtpslo_pd(__A);
 }