commit 6de977707afe12868dc06093c913b360e40ca927
author Harald van Dijk <harald@gigawatt.nl> Sun Nov 29 13:52:28 2020 +0000
committer Copybara-Service <copybara-worker@google.com> Sun Nov 29 05:55:42 2020 -0800
tree 8f86b9700f9441ffac73ff5af7de886695a31cf3
parent 7a0d638780187f4dca15d189d63f8480de1ad247

[libc++] hash<long double>: adjust for x86-64 ILP32

x86-64 ILP32 mode (x32) uses 32-bit size_t, so share the code with ix86 to zero out padding bits, not with x86-64 LP64 mode.

Reviewed By: #libc, ldionne

Differential Revision: https://reviews.llvm.org/D91349

GitOrigin-RevId: fba0b65f727134e8d05c785b04b7b574f852d49e

include/utility

diff --git a/include/utility b/include/utility
index 13489de..5c9e2b6 100644
--- a/include/utility
+++ b/include/utility
@@ -1506,7 +1506,7 @@
         // -0.0 and 0.0 should return same hash
         if (__v == 0.0L)
             return 0;
-#if defined(__i386__)
+#if defined(__i386__) || (defined(__x86_64__) && defined(__ILP32__))
         // Zero out padding bits
         union
         {