Changeset 868 for trunk/src

Timestamp:

May 24, 2011, 6:04:59 PM (14 years ago)

Author:

Dmitry A. Kuminov

Message:

gui: Fixed 4.7.3 regression: Forced stack alignment for SSE code on OS/2 was lost in update.

File:

• trunk/src/gui/gui.pro (modified) (3 diffs)

trunk/src/gui/gui.pro

@@ -139 +139 @@
                     sse3dnow_compiler.commands += -Xarch_i386 -m3dnow -Xarch_i386 -msse
                     sse3dnow_compiler.commands += -Xarch_x86_64 -m3dnow -Xarch_x86_64 -msse
+                } else:os2 {
+                    # SSE data types (__m128i etc.) don't get 16-byte alignment on stack with GCC 4.4.4
+                    # (compiler bug?), force it with -mstackrealign to avoid spontaneous SIGSEGVs
+                    sse3dnow_compiler.commands += -m3dnow -msse -mstackrealign
                 } else {
                     sse3dnow_compiler.commands += -m3dnow -msse
@@ -161 +165 @@
                 sse_compiler.commands += -Xarch_i386 -msse
                 sse_compiler.commands += -Xarch_x86_64 -msse
+            } else:os2 {
+                # SSE data types (__m128i etc.) don't get 16-byte alignment on stack with GCC 4.4.4
+                # (compiler bug?), force it with -mstackrealign to avoid spontaneous SIGSEGVs
+                sse_compiler.commands += -msse -mstackrealign
             } else {
                 sse_compiler.commands += -msse
@@ -182 +190 @@
                 sse2_compiler.commands += -Xarch_i386 -msse2
                 sse2_compiler.commands += -Xarch_x86_64 -msse2
+            } else:os2 {
+                # SSE data types (__m128i etc.) don't get 16-byte alignment on stack with GCC 4.4.4
+                # (compiler bug?), force it with -mstackrealign to avoid spontaneous SIGSEGVs
+                sse2_compiler.commands += -msse2 -mstackrealign
             } else {
                 sse2_compiler.commands += -msse2