haraldwolff/qemu-patch-raspberry4
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target/ppc: improve avr64_offset() and use it to simplify get_avr64()/set_avr64()

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By using the VsrD macro in avr64_offset() the same offset calculation can be
used regardless of the host endian. This allows get_avr64() and set_avr64() to
be simplified accordingly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20190307180520.13868-6-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Mark Cave-Ayland 2019-03-07 18:05:18 +00:00 committed by David Gibson
parent c82a8a8542
commit 37da91f163
3 changed files with 7 additions and 19 deletions
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5
target/ppc/cpu.h
View file

@ -2608,6 +2608,11 @@ static inline uint64_t *cpu_vsrl_ptr(CPUPPCState *env, int i)
return (uint64_t *)((uintptr_t)env + vsrl_offset(i));
}
static inline long avr64_offset(int i, bool high)
{
return offsetof(CPUPPCState, vsr[32 + i].VsrD(high ? 0 : 1));
}
static inline int avr_full_offset(int i)
{
return vsr_full_offset(i + 32);

16
target/ppc/translate.c
View file

@ -6687,24 +6687,12 @@ static inline void set_fpr(int regno, TCGv_i64 src)
static inline void get_avr64(TCGv_i64 dst, int regno, bool high)
{
#ifdef HOST_WORDS_BIGENDIAN
tcg_gen_ld_i64(dst, cpu_env, offsetof(CPUPPCState,
vsr[32 + regno].u64[(high ? 0 : 1)]));
#else
tcg_gen_ld_i64(dst, cpu_env, offsetof(CPUPPCState,
vsr[32 + regno].u64[(high ? 1 : 0)]));
#endif
tcg_gen_ld_i64(dst, cpu_env, avr64_offset(regno, high));
}
static inline void set_avr64(int regno, TCGv_i64 src, bool high)
{
#ifdef HOST_WORDS_BIGENDIAN
tcg_gen_st_i64(src, cpu_env, offsetof(CPUPPCState,
vsr[32 + regno].u64[(high ? 0 : 1)]));
#else
tcg_gen_st_i64(src, cpu_env, offsetof(CPUPPCState,
vsr[32 + regno].u64[(high ? 1 : 0)]));
#endif
tcg_gen_st_i64(src, cpu_env, avr64_offset(regno, high));
}
#include "translate/fp-impl.inc.c"

5
target/ppc/translate/vmx-impl.inc.c
View file

@ -14,11 +14,6 @@ static inline TCGv_ptr gen_avr_ptr(int reg)
return r;
}
static inline long avr64_offset(int reg, bool high)
{
return offsetof(CPUPPCState, vsr[32 + reg].u64[(high ? 0 : 1)]);
}
#define GEN_VR_LDX(name, opc2, opc3) \
static void glue(gen_, name)(DisasContext *ctx) \
{ \