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target/arm: Add aa{32, 64}_vfp_{dreg, qreg} helpers

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Helpers that return a pointer into env->vfp.regs so that we isolate
the logic of how to index the regs array for different cpu modes.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180119045438.28582-7-richard.henderson@linaro.org
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-01-25 11:45:29 +00:00 • committed by Peter Maydell
parent 3f68b8a5a6
commit 9a2b5256ea
9 changed files with 96 additions and 74 deletions
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16
target/arm/translate.c
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@ -1515,14 +1515,16 @@ static inline void gen_vfp_st(DisasContext *s, int dp, TCGv_i32 addr)
static inline long
vfp_reg_offset (int dp, int reg)
{
if (dp)
if (dp) {
return offsetof(CPUARMState, vfp.regs[reg]);
else if (reg & 1) {
return offsetof(CPUARMState, vfp.regs[reg >> 1])
+ offsetof(CPU_DoubleU, l.upper);
} else {
return offsetof(CPUARMState, vfp.regs[reg >> 1])
+ offsetof(CPU_DoubleU, l.lower);
long ofs = offsetof(CPUARMState, vfp.regs[reg >> 1]);
if (reg & 1) {
ofs += offsetof(CPU_DoubleU, l.upper);
} else {
ofs += offsetof(CPU_DoubleU, l.lower);
}
return ofs;
}
}
@ -12572,7 +12574,7 @@ void arm_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
numvfpregs += 16;
}
for (i = 0; i < numvfpregs; i++) {
uint64_t v = env->vfp.regs[i];
uint64_t v = *aa32_vfp_dreg(env, i);
cpu_fprintf(f, "s%02d=%08x s%02d=%08x d%02d=%016" PRIx64 "\n",
i * 2, (uint32_t)v,
i * 2 + 1, (uint32_t)(v >> 32),