From ea9b86c9e7e4fcb80cc3bdde3c847195c4fc39e3 Mon Sep 17 00:00:00 2001
From: pstef <3462925+pstef@users.noreply.github.com>
Date: Fri, 11 Apr 2025 19:59:33 +0000
Subject: [PATCH] dr: import upstream change to silence a spurious warning

---
 deps/dr/dr_mp3.h | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/deps/dr/dr_mp3.h b/deps/dr/dr_mp3.h
index 1686188747..f4a62ec01a 100644
--- a/deps/dr/dr_mp3.h
+++ b/deps/dr/dr_mp3.h
@@ -1064,12 +1064,22 @@ static void drmp3_L3_midside_stereo(float *left, int n)
     int i = 0;
     float *right = left + 576;
 #if DRMP3_HAVE_SIMD
-    if (drmp3_have_simd()) for (; i < n - 3; i += 4)
+    if (drmp3_have_simd())
     {
-        drmp3_f4 vl = DRMP3_VLD(left + i);
-        drmp3_f4 vr = DRMP3_VLD(right + i);
-        DRMP3_VSTORE(left + i, DRMP3_VADD(vl, vr));
-        DRMP3_VSTORE(right + i, DRMP3_VSUB(vl, vr));
+        for (; i < n - 3; i += 4)
+        {
+            drmp3_f4 vl = DRMP3_VLD(left + i);
+            drmp3_f4 vr = DRMP3_VLD(right + i);
+            DRMP3_VSTORE(left + i, DRMP3_VADD(vl, vr));
+            DRMP3_VSTORE(right + i, DRMP3_VSUB(vl, vr));
+        }
+#ifdef __GNUC__
+        /* Workaround for spurious -Waggressive-loop-optimizations warning from gcc.
+         * For more info see: https://github.com/lieff/minimp3/issues/88
+         */
+        if (__builtin_constant_p(n % 4 == 0) && n % 4 == 0)
+            return;
+#endif
     }
 #endif
     for (; i < n; i++)