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SPARC64: Implement ldfa/lddfa/ldqfa instructions properly 

This patch implements sparcv9 ldfa/lddfa/ldqfa instructions
with non block-load ASIs.

Signed-off-by: Tsuneo Saito <tsnsaito@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
master
Tsuneo Saito 2011-07-14 18:41:36 +09:00 committed by Blue Swirl
parent cc4662f964
commit 4183f36df0
1 changed files with 11 additions and 5 deletions
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16
target-sparc/op_helper.c
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@ -3331,7 +3331,7 @@ void helper_ldda_asi(target_ulong addr, int asi, int rd)
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
{
unsigned int i;
target_ulong val;
CPU_DoubleU u;
helper_check_align(addr, 3);
addr = asi_address_mask(env, asi, addr);
@ -3371,17 +3371,23 @@ void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
break;
}
val = helper_ld_asi(addr, asi, size, 0);
switch(size) {
default:
case 4:
*((uint32_t *)&env->fpr[rd]) = val;
*((uint32_t *)&env->fpr[rd]) = helper_ld_asi(addr, asi, size, 0);
break;
case 8:
*((int64_t *)&DT0) = val;
u.ll = helper_ld_asi(addr, asi, size, 0);
*((uint32_t *)&env->fpr[rd++]) = u.l.upper;
*((uint32_t *)&env->fpr[rd++]) = u.l.lower;
break;
case 16:
// XXX
u.ll = helper_ld_asi(addr, asi, 8, 0);
*((uint32_t *)&env->fpr[rd++]) = u.l.upper;
*((uint32_t *)&env->fpr[rd++]) = u.l.lower;
u.ll = helper_ld_asi(addr + 8, asi, 8, 0);
*((uint32_t *)&env->fpr[rd++]) = u.l.upper;
*((uint32_t *)&env->fpr[rd++]) = u.l.lower;
break;
}
}