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| author | Ulrich Weigand <uweigand@de.ibm.com> | 2010-12-16 18:12:23 +0000 |
|---|---|---|
| committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2010-12-16 18:12:23 +0000 |
| commit | a4b56e0218ecfc45a452cdbe60f3d19f35a6c8b9 (patch) | |
| tree | 5a3401d20cbba543eb6dcc4b9302c304ae9353af /gcc/config/spu/spu.h | |
| parent | 9712cba0068a0afe871a49c455d104efcb8260a0 (diff) | |
| download | gcc-a4b56e0218ecfc45a452cdbe60f3d19f35a6c8b9.zip gcc-a4b56e0218ecfc45a452cdbe60f3d19f35a6c8b9.tar.gz gcc-a4b56e0218ecfc45a452cdbe60f3d19f35a6c8b9.tar.bz2 | |
t-spu-elf (LIB2_SIDITI_CONV_FUNC): Define.
* config/spu/t-spu-elf (LIB2_SIDITI_CONV_FUNC): Define.
* config/spu/spu.h (MIN_UNITS_PER_WORD): Do not define.
(LIBGCC2_UNITS_PER_WORD): Define if not already defined.
From-SVN: r167950
Diffstat (limited to 'gcc/config/spu/spu.h')
| -rw-r--r-- | gcc/config/spu/spu.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/config/spu/spu.h b/gcc/config/spu/spu.h index 234ff49..d56a52b 100644 --- a/gcc/config/spu/spu.h +++ b/gcc/config/spu/spu.h @@ -65,9 +65,16 @@ extern GTY(()) int spu_tune; #define UNITS_PER_WORD (BITS_PER_WORD/BITS_PER_UNIT) -/* We never actually change UNITS_PER_WORD, but defining this causes - libgcc to use some different sizes of types when compiling. */ -#define MIN_UNITS_PER_WORD 4 +/* When building libgcc, we need to assume 4 words per units even + though UNITS_PER_WORD is 16, because the SPU has basically a 32-bit + instruction set although register size is 128 bits. In particular, + this causes libgcc to contain __divdi3 instead of __divti3 etc. + However, we allow this default to be re-defined on the command + line, so that we can use the LIB2_SIDITI_CONV_FUNCS mechanism + to get (in addition) TImode versions of some routines. */ +#ifndef LIBGCC2_UNITS_PER_WORD +#define LIBGCC2_UNITS_PER_WORD 4 +#endif #define POINTER_SIZE 32 |