diff options
Diffstat (limited to 'sim/sh')
| -rw-r--r-- | sim/sh/ChangeLog | 5 | ||||
| -rw-r--r-- | sim/sh/gencode.c | 19 |
2 files changed, 21 insertions, 3 deletions
diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog index 08db573..7d6cf91 100644 --- a/sim/sh/ChangeLog +++ b/sim/sh/ChangeLog @@ -1,3 +1,8 @@ +2014-10-14 Oleg Endo <olegendo@gcc.gnu.org> (tiny patch) + + * gencode.c (fabs, fneg): Implement as integer operation + instead of using the FP_UNARY macro. + 2014-08-19 Alan Modra <amodra@gmail.com> * configure: Regenerate. diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c index 738b718..bc65604 100644 --- a/sim/sh/gencode.c +++ b/sim/sh/gencode.c @@ -429,8 +429,14 @@ op tab[] = /* sh2e */ { "", "", "fabs <FREG_N>", "1111nnnn01011101", - "FP_UNARY (n, fabs);", - "/* FIXME: FR (n) &= 0x7fffffff; */", + " union", + " {", + " unsigned int i;", + " float f;", + " } u;", + " u.f = FR (n);", + " u.i &= 0x7fffffff;", + " SET_FR (n, u.f);", }, /* sh2e */ @@ -662,7 +668,14 @@ op tab[] = /* sh2e */ { "", "", "fneg <FREG_N>", "1111nnnn01001101", - "FP_UNARY (n, -);", + " union", + " {", + " unsigned int i;", + " float f;", + " } u;", + " u.f = FR (n);", + " u.i ^= 0x80000000;", + " SET_FR (n, u.f);", }, /* sh4a */ |