diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/spu/divmodti4.c | 30 | ||||
| -rw-r--r-- | gcc/config/spu/multi3.c | 28 |
3 files changed, 60 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index db5ecd0..f2b75b0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,14 @@ 2011-04-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + * config/spu/divmovti4.c (union qword_UTItype): New data type. + (si_from_UTItype, si_to_UTItype): New functions. + (__udivmodti4): Use them to implement type-punning. + * config/spu/multi3.c (union qword_TItype): New data type. + (si_from_TItype, si_to_TItype): New functions. + (__multi3): Use them to implement type-punning. + +2011-04-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + * config/spu/spu.c (spu_expand_epilogue): Do not emit barrier. 2011-04-27 Jan Hubicka <jh@suse.cz> diff --git a/gcc/config/spu/divmodti4.c b/gcc/config/spu/divmodti4.c index 8f70616..57c975c 100644 --- a/gcc/config/spu/divmodti4.c +++ b/gcc/config/spu/divmodti4.c @@ -29,6 +29,28 @@ UTItype __udivti3 (UTItype u, UTItype v); UTItype __umodti3 (UTItype u, UTItype v); UTItype __udivmodti4 (UTItype u, UTItype v, UTItype *w); +union qword_UTItype + { + qword q; + UTItype t; + }; + +inline static qword +si_from_UTItype (UTItype t) +{ + union qword_UTItype u; + u.t = t; + return u.q; +} + +inline static UTItype +si_to_UTItype (qword q) +{ + union qword_UTItype u; + u.q = q; + return u.t; +} + inline static unsigned int count_leading_zeros (UTItype x) { @@ -67,8 +89,8 @@ __udivmodti4 (UTItype num, UTItype den, UTItype * rp) { qword shift = si_from_uint (count_leading_zeros (den) - count_leading_zeros (num)); - qword n0 = *(qword *) & num; - qword d0 = *(qword *) & den; + qword n0 = si_from_UTItype (num); + qword d0 = si_from_UTItype (den); qword bit = si_andi (si_fsmbi (1), 1); qword r0 = si_il (0); qword m1 = si_fsmbi (0x000f); @@ -101,8 +123,8 @@ __udivmodti4 (UTItype num, UTItype den, UTItype * rp) } while (si_to_uint (si_orx (bit))); if (rp) - *rp = *(UTItype *) & n0; - return *(UTItype *) & r0; + *rp = si_to_UTItype (n0); + return si_to_UTItype (r0); } UTItype diff --git a/gcc/config/spu/multi3.c b/gcc/config/spu/multi3.c index e7d7680..b8b0e90 100644 --- a/gcc/config/spu/multi3.c +++ b/gcc/config/spu/multi3.c @@ -23,6 +23,28 @@ typedef int TItype __attribute__ ((mode (TI))); +union qword_TItype + { + qword q; + TItype t; + }; + +inline static qword +si_from_TItype (TItype t) +{ + union qword_TItype u; + u.t = t; + return u.q; +} + +inline static TItype +si_to_TItype (qword q) +{ + union qword_TItype u; + u.q = q; + return u.t; +} + /* A straight forward vectorization and unrolling of * short l[8], r[8]; * TItype total = 0; @@ -33,8 +55,8 @@ typedef int TItype __attribute__ ((mode (TI))); TItype __multi3 (TItype l, TItype r) { - qword u = *(qword *) & l; - qword v = *(qword *) & r; + qword u = si_from_TItype (l); + qword v = si_from_TItype (r); qword splat0 = si_shufb (v, v, si_ilh (0x0001)); qword splat1 = si_shufb (v, v, si_ilh (0x0203)); qword splat2 = si_shufb (v, v, si_ilh (0x0405)); @@ -93,5 +115,5 @@ __multi3 (TItype l, TItype r) total = si_cgx (total10, carry, total); total = si_shlqbyi (total, 4); total = si_addx (total10, carry, total); - return *(TItype *) & total; + return si_to_TItype (total); } |