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tr_model_iqm: compile with -O1 on armhf #739

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Merged
illwieckz merged 1 commit into from
Nov 17, 2022
Merged

tr_model_iqm: compile with -O1 on armhf #739

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2 changes: 2 additions & 0 deletions cmake/DaemonFlags.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)

add_definitions(-DDAEMON_BUILD_${CMAKE_BUILD_TYPE})

# Set flag without checking, optional argument specifies build type
macro(set_c_flag FLAG)
if (${ARGC} GREATER 1)
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6 changes: 6 additions & 0 deletions src/engine/renderer/tr_model_iqm.cpp
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Expand Up @@ -34,6 +34,12 @@ Maryland 20850 USA.

#include "tr_local.h"

/* Flags -O2, -O3 and -0s produce SIGBUS in R_LoadIQModel() on armhf,
see https://github.com/DaemonEngine/Daemon/issues/736 */
#if defined(DAEMON_ARCH_armhf) && !defined(DAEMON_BUILD_Debug) && __GNUC__
#pragma GCC optimize("O1")
#endif

#define LL(x) x=LittleLong(x)

static inline void *IQMPtr( iqmHeader_t *header, int offset ) {
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