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target-sparc64: implement Short Floating-Point Store Instructions

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Implement Short Floating-Point Store Instructions as described
in the chapter 13.5.2 of UltraSPARC-IIi User's Manual.

Particularly this instructions are used by NetBSD 4.0.1+ /sparc64

Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Artyom Tarasenko 2014-08-08 22:48:00 +02:00 committed by Mark Cave-Ayland
parent b87b0644bc
commit 2a5fade753
1 changed files with 14 additions and 1 deletions
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15
target-sparc/ldst_helper.c
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@ -2154,7 +2154,6 @@ void helper_stf_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
unsigned int i;
target_ulong val;
helper_check_align(env, addr, 3);
addr = asi_address_mask(env, asi, addr);
switch (asi) {
@ -2191,8 +2190,22 @@ void helper_stf_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
helper_st_asi(env, addr, env->fpr[rd / 2].ll, asi & 0x19, 8);
}
return;
case 0xd2: /* 16-bit floating point load primary */
case 0xd3: /* 16-bit floating point load secondary */
case 0xda: /* 16-bit floating point load primary, LE */
case 0xdb: /* 16-bit floating point load secondary, LE */
helper_check_align(env, addr, 1);
/* Fall through */
case 0xd0: /* 8-bit floating point load primary */
case 0xd1: /* 8-bit floating point load secondary */
case 0xd8: /* 8-bit floating point load primary, LE */
case 0xd9: /* 8-bit floating point load secondary, LE */
val = env->fpr[rd / 2].l.lower;
helper_st_asi(env, addr, val, asi & 0x8d, ((asi & 2) >> 1) + 1);
return;
default:
helper_check_align(env, addr, 3);
break;
}