https://bugs.freedesktop.org/show_bug.cgi?id=47881

Bug #: 47881 Summary: r600_asm.c:780:12: internal compiler error with gcc-4.7.0 Classification: Unclassified Product: Mesa Version: 8.0 Platform: x86-64 (AMD64) OS/Version: Linux (All) Status: NEW Severity: major Priority: medium Component: Drivers/DRI/R600 AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: treeve@sourcemage.org

using gcc-4.7.0, I get the following error when compiling Mesalib-8.0.2

changing optimisation to -O2 works

root@Gemini-64:/usr/src/Mesa-8.0.2/src/gallium/drivers/r600# make gcc -c -I. -I../../../../src/gallium/include -I../../../../src/gallium/auxiliary -I../../../../src/gallium/drivers -I../../../../include -march=native -mtune=native -m64 -pipe -O3 -Wall -Wmissing-prototypes -std=c99 -fno-strict-aliasing -fno-builtin-memcmp -march=native -mtune=native -m64 -pipe -O3 -fPIC -DUSE_X86_64_ASM -D_GNU_SOURCE -DPTHREADS -DHAVE_POSIX_MEMALIGN -DUSE_XCB -DGLX_INDIRECT_RENDERING -DGLX_DIRECT_RENDERING -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER -DHAVE_ALIAS -DHAVE_MINCORE -DHAVE_LIBUDEV -DHAVE_XCB_DRI2 -D__STDC_CONSTANT_MACROS -DHAVE_LLVM=0x0300 -fvisibility=hidden -I/usr/include -D_GNU_SOURCE -Wno-unused-parameter -Wwrite-strings -Wno-long-long -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS r600_asm.c -o r600_asm.o r600_asm.c: In function 'check_and_set_bank_swizzle': r600_asm.c:780:12: internal compiler error: in try_move_mult_to_index, at fold-const.c:6995 Please submit a full bug report, with preprocessed source if appropriate.