From 86b5c9278ccc2ce3e660142915f9b1c9c5a33c09 Mon Sep 17 00:00:00 2001
From: Jesse Natalie <jenatali@microsoft.com>
Date: Mon, 22 Jan 2024 10:05:11 -0800
Subject: [PATCH] glsl: Work around MSVC arm64 optimizer bug

Reviewed-by: Yonggang Luo <luoyonggang@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27199>
---
 src/compiler/glsl/linker_util.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/compiler/glsl/linker_util.cpp b/src/compiler/glsl/linker_util.cpp
index bd1ef119fdd..5c6766d5144 100644
--- a/src/compiler/glsl/linker_util.cpp
+++ b/src/compiler/glsl/linker_util.cpp
@@ -236,6 +236,10 @@ link_util_check_subroutine_resources(struct gl_shader_program *prog)
    }
 }
 
+#if defined(_MSC_VER) && DETECT_ARCH_AARCH64
+// Work around https://developercommunity.visualstudio.com/t/Incorrect-ARM64-codegen-with-optimizatio/10564605
+#pragma optimize("", off)
+#endif
 /**
  * Validate uniform resources used by a program versus the implementation limits
  */
@@ -315,6 +319,9 @@ link_util_check_uniform_resources(const struct gl_constants *consts,
       }
    }
 }
+#if defined(_MSC_VER) && DETECT_ARCH_AARCH64
+#pragma optimize("", on)
+#endif
 
 void
 link_util_calculate_subroutine_compat(struct gl_shader_program *prog)