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target-sparc: fix Nucleus quad LDD 128 bit access for windowed registers

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Fix register offset calculation when regwptr is used.

Backports commit 01a780d51a3a0851729e1747f3787a0db4d96722 from qemu
This commit is contained in:
Artyom Tarasenko 2018-02-23 13:39:12 -05:00 committed by Lioncash
parent 7dcdae9807
commit 34472bd6fd
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 6 additions and 6 deletions
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12
qemu/target-sparc/ldst_helper.c
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@ -2064,11 +2064,11 @@ void helper_ldda_asi(CPUSPARCState *env, target_ulong addr, int asi, int rd)
bswap64s(&env->gregs[rd + 1]); bswap64s(&env->gregs[rd + 1]);
} }
} else { } else {
env->regwptr[rd] = cpu_ldq_nucleus(env, addr); env->regwptr[rd - 8] = cpu_ldq_nucleus(env, addr);
env->regwptr[rd + 1] = cpu_ldq_nucleus(env, addr + 8); env->regwptr[rd + 1 - 8] = cpu_ldq_nucleus(env, addr + 8);
if (asi == 0x2c) { if (asi == 0x2c) {
bswap64s(&env->regwptr[rd]); bswap64s(&env->regwptr[rd - 8]);
bswap64s(&env->regwptr[rd + 1]); bswap64s(&env->regwptr[rd + 1 - 8]);
} }
} }
break; break;
@ -2081,8 +2081,8 @@ void helper_ldda_asi(CPUSPARCState *env, target_ulong addr, int asi, int rd)
env->gregs[rd] = helper_ld_asi(env, addr, asi, 4, 0); env->gregs[rd] = helper_ld_asi(env, addr, asi, 4, 0);
env->gregs[rd + 1] = helper_ld_asi(env, addr + 4, asi, 4, 0); env->gregs[rd + 1] = helper_ld_asi(env, addr + 4, asi, 4, 0);
} else { } else {
env->regwptr[rd] = helper_ld_asi(env, addr, asi, 4, 0); env->regwptr[rd - 8] = helper_ld_asi(env, addr, asi, 4, 0);
env->regwptr[rd + 1] = helper_ld_asi(env, addr + 4, asi, 4, 0); env->regwptr[rd + 1 - 8] = helper_ld_asi(env, addr + 4, asi, 4, 0);
} }
break; break;
} }