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target-sparc: Implement swap_asi inline 

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2016-07-12 15:29:18 -07:00
parent 34a6e13da7
commit 4fb554bc6c
1 changed files with 21 additions and 28 deletions
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49
target-sparc/translate.c
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@ -2001,6 +2001,18 @@ static inline void gen_ne_fop_QD(DisasContext *dc, int rd, int rs,
gen_update_fprs_dirty(dc, QFPREG(rd));
}
static void gen_swap(DisasContext *dc, TCGv dst, TCGv src,
TCGv addr, int mmu_idx, TCGMemOp memop)
{
/* ??? Should be atomic. */
TCGv t0 = tcg_temp_new();
gen_address_mask(dc, addr);
tcg_gen_qemu_ld_tl(t0, addr, mmu_idx, memop);
tcg_gen_qemu_st_tl(src, addr, mmu_idx, memop);
tcg_gen_mov_tl(dst, t0);
tcg_temp_free(t0);
}
/* asi moves */
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
typedef enum {
@ -2302,26 +2314,12 @@ static void gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src,
switch (da.type) {
case GET_ASI_EXCP:
break;
case GET_ASI_DIRECT:
gen_swap(dc, dst, src, addr, da.mem_idx, da.memop);
break;
default:
{
TCGv_i32 r_asi = tcg_const_i32(da.asi);
TCGv_i32 r_mop = tcg_const_i32(MO_UL);
TCGv_i64 s64, t64;
save_state(dc);
t64 = tcg_temp_new_i64();
gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
s64 = tcg_temp_new_i64();
tcg_gen_extu_tl_i64(s64, src);
gen_helper_st_asi(cpu_env, addr, s64, r_asi, r_mop);
tcg_temp_free_i64(s64);
tcg_temp_free_i32(r_mop);
tcg_temp_free_i32(r_asi);
tcg_gen_trunc_i64_tl(dst, t64);
tcg_temp_free_i64(t64);
}
/* ??? Should be DAE_invalid_asi. */
gen_exception(dc, TT_DATA_ACCESS);
break;
}
}
@ -5207,15 +5205,10 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 0x0f:
/* swap, swap register with memory. Also atomically */
{
TCGv t0 = get_temp_tl(dc);
CHECK_IU_FEATURE(dc, SWAP);
cpu_src1 = gen_load_gpr(dc, rd);
gen_address_mask(dc, cpu_addr);
tcg_gen_qemu_ld32u(t0, cpu_addr, dc->mem_idx);
tcg_gen_qemu_st32(cpu_src1, cpu_addr, dc->mem_idx);
tcg_gen_mov_tl(cpu_val, t0);
}
CHECK_IU_FEATURE(dc, SWAP);
cpu_src1 = gen_load_gpr(dc, rd);
gen_swap(dc, cpu_val, cpu_src1, cpu_addr,
dc->mem_idx, MO_TEUL);
break;
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
case 0x10: /* lda, V9 lduwa, load word alternate */