From a4633757e352b30f136d2a1cda827289d826ddc0 Mon Sep 17 00:00:00 2001
From: David Allsopp <david.allsopp@metastack.com>
Date: Thu, 25 Aug 2022 08:44:47 +0100
Subject: [PATCH 19/24] Merge pull request #11487 from
purplearmadillo77/fma_test
Thwart FMA test optimization during configure
(cherry picked from commit cd7dc7f6b9b5353acc2aa70bdc7bbecff56634d0)
---
Changes | 3 +++
aclocal.m4 | 2 +-
configure | Bin 581611 -> 581620 bytes
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/Changes b/Changes
index 4d1bb10435..763c0fa4b7 100644
--- a/Changes
+++ b/Changes
@@ -7,6 +7,9 @@ OCaml 4.14 maintenance branch
(David Allsopp, report by William Hu, review by Xavier Leroy and
S├ębastien Hinderer)
+- #11???: Thwart FMA test optimization during configure
+ (William Hu, review by ???)
+
### Bug fixes:
- #11204: Fix regression introduced in 4.14.0 that would trigger Warning 17 when
diff --git a/aclocal.m4 b/aclocal.m4
index 2bc0a1dcc9..addb0d8bbf 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -440,7 +440,7 @@ int main (void) {
broken implementations of Cygwin64, mingw-w64 (x86_64) and VS2013-2017.
The static volatile variables aim to thwart GCC's constant folding. */
static volatile double x, y, z;
- double t264, t265, t266;
+ volatile double t264, t265, t266;
x = 0x3.bd5b7dde5fddap-496;
y = 0x3.bd5b7dde5fddap-496;
z = -0xd.fc352bc352bap-992;
diff --git a/configure b/configure
index 536a1cbee58a430692bfa3de11901e7e2f6b4ee2..1a1dd61863e0435952ba6d6baf8131e68f070b3d 100755
GIT binary patch
delta 44
zcmaF8U-`>^<%Sl<7N!>F7M2#)Eo_r#a+KxgB$j06q_$6*$p*yi+b7NBh;#!0qIVJx
delta 35
qcmeyeU-|WZ<%Sl<7N!>F7M2#)Eo_r#w$GW#2E^>!=gj1Ya037qBM!s>
--
2.37.0.rc2