[PATCH] D15572: [X86] Add missing m64/int64 conversions

[Michael Kuperstein via llvm-commits]

mkuper created this revision.
mkuper added reviewers: AsafBadouh, delena.
mkuper added a subscriber: llvm-commits.

We had _m_to_int and _m_from_int, but not the int64 versions.

http://reviews.llvm.org/D15572

Files:
  lib/Headers/mmintrin.h
  test/CodeGen/mmx-builtins.c

Index: test/CodeGen/mmx-builtins.c
===================================================================
--- test/CodeGen/mmx-builtins.c
+++ test/CodeGen/mmx-builtins.c
@@ -223,6 +223,12 @@
   return _m_from_int(a);
 }
 
+__m64 test_m_from_int64(long long a) {
+  // CHECK-LABEL: test_m_from_int64
+  // CHECK: bitcast
+  return _m_from_int64(a);
+}
+
 __m64 test_mm_hadd_pi16(__m64 a, __m64 b) {
   // CHECK-LABEL: test_mm_hadd_pi16
   // CHECK: call x86_mmx @llvm.x86.ssse3.phadd.w
@@ -553,6 +559,12 @@
   return _m_to_int(a);
 }
 
+long long test_m_to_int64(__m64 a) {
+  // CHECK-LABEL: test_m_to_int64
+  // CHECK: bitcast
+  return _m_to_int64(a);
+}
+
 __m64 test_mm_unpackhi_pi8(__m64 a, __m64 b) {
   // CHECK-LABEL: test_mm_unpackhi_pi8
   // CHECK: call x86_mmx @llvm.x86.mmx.punpckhbw
Index: lib/Headers/mmintrin.h
===================================================================
--- lib/Headers/mmintrin.h
+++ lib/Headers/mmintrin.h
@@ -443,7 +443,9 @@
 /* Aliases for compatibility. */
 #define _m_empty _mm_empty
 #define _m_from_int _mm_cvtsi32_si64
+#define _m_from_int64 _mm_cvtsi64_m64
 #define _m_to_int _mm_cvtsi64_si32
+#define _m_to_int64 _mm_cvtm64_si64
 #define _m_packsswb _mm_packs_pi16
 #define _m_packssdw _mm_packs_pi32
 #define _m_packuswb _mm_packs_pu16


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