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ppc fixes (Jocelyn Mayer)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1297 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-02-15 23:06:19 +00:00
parent c4decf377c
commit 3cc6237083
5 changed files with 101 additions and 67 deletions
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17
target-ppc/op_helper.c
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@ -188,10 +188,17 @@ void do_load_fpscr (void)
} u;
int i;
u.s.u[0] = 0;
u.s.u[1] = 0;
#ifdef WORDS_BIGENDIAN
#define WORD0 0
#define WORD1 1
#else
#define WORD0 1
#define WORD1 0
#endif
u.s.u[WORD0] = 0;
u.s.u[WORD1] = 0;
for (i = 0; i < 8; i++)
u.s.u[1] |= env->fpscr[i] << (4 * i);
u.s.u[WORD1] |= env->fpscr[i] << (4 * i);
FT0 = u.d;
}
@ -210,10 +217,10 @@ void do_store_fpscr (uint32_t mask)
u.d = FT0;
if (mask & 0x80)
env->fpscr[0] = (env->fpscr[0] & 0x9) | ((u.s.u[1] >> 28) & ~0x9);
env->fpscr[0] = (env->fpscr[0] & 0x9) | ((u.s.u[WORD1] >> 28) & ~0x9);
for (i = 1; i < 7; i++) {
if (mask & (1 << (7 - i)))
env->fpscr[i] = (u.s.u[1] >> (4 * (7 - i))) & 0xF;
env->fpscr[i] = (u.s.u[WORD1] >> (4 * (7 - i))) & 0xF;
}
/* TODO: update FEX & VX */
/* Set rounding mode */