haraldwolff/qemu-patch-raspberry4
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target-sparc: Don't use a temporary for gen_dest_fpr_D

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In all cases we don't have write-before-read problems.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Richard Henderson 2012-10-16 19:32:26 +10:00 committed by Blue Swirl
parent 1ec789ab68
commit 3886b8a320
1 changed files with 16 additions and 16 deletions
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32
target-sparc/translate.c
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@ -206,9 +206,9 @@ static void gen_store_fpr_D(DisasContext *dc, unsigned int dst, TCGv_i64 v)
gen_update_fprs_dirty(dst);
}
static TCGv_i64 gen_dest_fpr_D(void)
static TCGv_i64 gen_dest_fpr_D(DisasContext *dc, unsigned int dst)
{
return cpu_tmp64;
return cpu_fpr[DFPREG(dst) / 2];
}
static void gen_op_load_fpr_QT0(unsigned int src)
@ -1758,7 +1758,7 @@ static inline void gen_fop_DD(DisasContext *dc, int rd, int rs,
TCGv_i64 dst, src;
src = gen_load_fpr_D(dc, rs);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, cpu_env, src);
@ -1772,7 +1772,7 @@ static inline void gen_ne_fop_DD(DisasContext *dc, int rd, int rs,
TCGv_i64 dst, src;
src = gen_load_fpr_D(dc, rs);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, src);
@ -1787,7 +1787,7 @@ static inline void gen_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
src1 = gen_load_fpr_D(dc, rs1);
src2 = gen_load_fpr_D(dc, rs2);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, cpu_env, src1, src2);
@ -1802,7 +1802,7 @@ static inline void gen_ne_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
src1 = gen_load_fpr_D(dc, rs1);
src2 = gen_load_fpr_D(dc, rs2);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, src1, src2);
@ -1816,7 +1816,7 @@ static inline void gen_gsr_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
src1 = gen_load_fpr_D(dc, rs1);
src2 = gen_load_fpr_D(dc, rs2);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, cpu_gsr, src1, src2);
@ -1831,7 +1831,7 @@ static inline void gen_ne_fop_DDDD(DisasContext *dc, int rd, int rs1, int rs2,
src1 = gen_load_fpr_D(dc, rs1);
src2 = gen_load_fpr_D(dc, rs2);
src0 = gen_load_fpr_D(dc, rd);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, src0, src1, src2);
@ -1883,7 +1883,7 @@ static inline void gen_fop_DFF(DisasContext *dc, int rd, int rs1, int rs2,
src1 = gen_load_fpr_F(dc, rs1);
src2 = gen_load_fpr_F(dc, rs2);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, cpu_env, src1, src2);
@ -1912,7 +1912,7 @@ static inline void gen_fop_DF(DisasContext *dc, int rd, int rs,
TCGv_i32 src;
src = gen_load_fpr_F(dc, rs);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, cpu_env, src);
@ -1927,7 +1927,7 @@ static inline void gen_ne_fop_DF(DisasContext *dc, int rd, int rs,
TCGv_i32 src;
src = gen_load_fpr_F(dc, rs);
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, cpu_env, src);
@ -1967,7 +1967,7 @@ static inline void gen_fop_DQ(DisasContext *dc, int rd, int rs,
TCGv_i64 dst;
gen_op_load_fpr_QT1(QFPREG(rs));
dst = gen_dest_fpr_D();
dst = gen_dest_fpr_D(dc, rd);
gen(dst, cpu_env);
@ -2303,7 +2303,7 @@ static void gen_fmovs(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
static void gen_fmovd(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
{
TCGv_i64 dst = gen_dest_fpr_D();
TCGv_i64 dst = gen_dest_fpr_D(dc, rd);
tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, cmp->c2,
gen_load_fpr_D(dc, rs),
gen_load_fpr_D(dc, rd));
@ -4317,7 +4317,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 0x060: /* VIS I fzero */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_dst_64 = gen_dest_fpr_D();
cpu_dst_64 = gen_dest_fpr_D(dc, rd);
tcg_gen_movi_i64(cpu_dst_64, 0);
gen_store_fpr_D(dc, rd, cpu_dst_64);
break;
@ -4445,7 +4445,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 0x07e: /* VIS I fone */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_dst_64 = gen_dest_fpr_D();
cpu_dst_64 = gen_dest_fpr_D(dc, rd);
tcg_gen_movi_i64(cpu_dst_64, -1);
gen_store_fpr_D(dc, rd, cpu_dst_64);
break;
@ -4873,7 +4873,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 0x23: /* lddf, load double fpreg */
gen_address_mask(dc, cpu_addr);
cpu_dst_64 = gen_dest_fpr_D();
cpu_dst_64 = gen_dest_fpr_D(dc, rd);
tcg_gen_qemu_ld64(cpu_dst_64, cpu_addr, dc->mem_idx);
gen_store_fpr_D(dc, rd, cpu_dst_64);
break;