From a34756bbedacdf2558c966466a71bfd3715fa295 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 13 Aug 2025 02:34:31 +0800
Subject: [PATCH] Revert "nir: Temporarily disable optimizations for MSVC
 ARM64"

This reverts commit 55d153b9f598c77510a483ba768eca2103bf850b.

The msvc bug is https://developercommunity.visualstudio.com/t/Stack-overflow-compiling-C-code-to-ARM64/916235

and Fixed In: Visual Studio 2022 version 17.7

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36767>
---
 src/compiler/nir/nir_constant_expressions.py | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/src/compiler/nir/nir_constant_expressions.py b/src/compiler/nir/nir_constant_expressions.py
index 01b1fb2c888..ac52414b900 100644
--- a/src/compiler/nir/nir_constant_expressions.py
+++ b/src/compiler/nir/nir_constant_expressions.py
@@ -566,11 +566,6 @@ struct ${type}${width}_vec {
 </%def>
 
 % for name, op in sorted(opcodes.items()):
-% if op.name == "fsat":
-#if defined(_MSC_VER) && (defined(_M_ARM64) || defined(_M_ARM64EC))
-#pragma optimize("", off) /* Temporary work-around for MSVC compiler bug, present in VS2019 16.9.2 */
-#endif
-% endif
 static void
 evaluate_${name}(nir_const_value *_dst_val,
                  UNUSED unsigned num_components,
@@ -594,11 +589,6 @@ evaluate_${name}(nir_const_value *_dst_val,
       ${evaluate_op(op, 0, execution_mode)}
    % endif
 }
-% if op.name == "fsat":
-#if defined(_MSC_VER) && (defined(_M_ARM64) || defined(_M_ARM64EC))
-#pragma optimize("", on) /* Temporary work-around for MSVC compiler bug, present in VS2019 16.9.2 */
-#endif
-% endif
 % endfor
 
 void