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Add concat_i32_i64 op. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5280 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2008-09-21 13:48:32 +00:00
parent 436d124b7d
commit 36aa55dcd9
6 changed files with 44 additions and 51 deletions
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35
target-arm/translate.c
View File

@ -1447,10 +1447,7 @@ static void gen_iwmmxt_movl_T0_T1_wRn(int rn)
static void gen_iwmmxt_movl_wRn_T0_T1(int rn)
{
tcg_gen_extu_i32_i64(cpu_V0, cpu_T[0]);
tcg_gen_extu_i32_i64(cpu_V1, cpu_T[0]);
tcg_gen_shli_i64(cpu_V1, cpu_V1, 32);
tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1);
tcg_gen_concat_i32_i64(cpu_V0, cpu_T[0], cpu_T[1]);
iwmmxt_store_reg(cpu_V0, rn);
}
@ -4663,14 +4660,11 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
} else {
tmp = neon_load_reg(rm + pass, 0);
gen_neon_shift_narrow(size, tmp, tmp2, q, u);
tcg_gen_extu_i32_i64(cpu_V0, tmp);
tmp3 = neon_load_reg(rm + pass, 1);
gen_neon_shift_narrow(size, tmp3, tmp2, q, u);
tcg_gen_concat_i32_i64(cpu_V0, tmp, tmp3);
dead_tmp(tmp);
tmp = neon_load_reg(rm + pass, 1);
gen_neon_shift_narrow(size, tmp, tmp2, q, u);
tcg_gen_extu_i32_i64(cpu_V1, tmp);
dead_tmp(tmp);
tcg_gen_shli_i64(cpu_V1, cpu_V1, 32);
tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1);
dead_tmp(tmp3);
}
tmp = new_tmp();
if (op == 8 && !u) {
@ -5600,7 +5594,7 @@ static void gen_addq_lo(DisasContext *s, TCGv val, int rlow)
TCGv tmp;
TCGv tmp2;
/* Load 64-bit value rd:rn. */
/* Load value and extend to 64 bits. */
tmp = tcg_temp_new(TCG_TYPE_I64);
tmp2 = load_reg(s, rlow);
tcg_gen_extu_i32_i64(tmp, tmp2);
@ -5612,19 +5606,16 @@ static void gen_addq_lo(DisasContext *s, TCGv val, int rlow)
static void gen_addq(DisasContext *s, TCGv val, int rlow, int rhigh)
{
TCGv tmp;
TCGv tmp2;
TCGv tmpl;
TCGv tmph;
/* Load 64-bit value rd:rn. */
tmpl = load_reg(s, rlow);
tmph = load_reg(s, rhigh);
tmp = tcg_temp_new(TCG_TYPE_I64);
tmp2 = load_reg(s, rhigh);
tcg_gen_extu_i32_i64(tmp, tmp2);
dead_tmp(tmp2);
tcg_gen_shli_i64(tmp, tmp, 32);
tcg_gen_add_i64(val, val, tmp);
tmp2 = load_reg(s, rlow);
tcg_gen_extu_i32_i64(tmp, tmp2);
dead_tmp(tmp2);
tcg_gen_concat_i32_i64(tmp, tmpl, tmph);
dead_tmp(tmpl);
dead_tmp(tmph);
tcg_gen_add_i64(val, val, tmp);
}

23
target-mips/translate.c
View File

@ -693,13 +693,7 @@ static inline void gen_load_fpr64 (DisasContext *ctx, TCGv t, int reg)
if (ctx->hflags & MIPS_HFLAG_F64)
tcg_gen_mov_i64(t, fpu_fpr64[reg]);
else {
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_extu_i32_i64(t, fpu_fpr32[reg | 1]);
tcg_gen_shli_i64(t, t, 32);
tcg_gen_extu_i32_i64(r_tmp2, fpu_fpr32[reg & ~1]);
tcg_gen_or_i64(t, t, r_tmp2);
tcg_temp_free(r_tmp2);
tcg_gen_concat_i32_i64(t, fpu_fpr32[reg & ~1], fpu_fpr32[reg | 1]);
}
}
@ -6546,22 +6540,17 @@ static void gen_farith (DisasContext *ctx, uint32_t op1,
case FOP(38, 16):
check_cp1_64bitmode(ctx);
{
TCGv fp64_0 = tcg_temp_new(TCG_TYPE_I64);
TCGv fp64_1 = tcg_temp_new(TCG_TYPE_I64);
TCGv fp64 = tcg_temp_new(TCG_TYPE_I64);
TCGv fp32_0 = tcg_temp_new(TCG_TYPE_I32);
TCGv fp32_1 = tcg_temp_new(TCG_TYPE_I32);
gen_load_fpr32(fp32_0, fs);
gen_load_fpr32(fp32_1, ft);
tcg_gen_extu_i32_i64(fp64_0, fp32_0);
tcg_gen_extu_i32_i64(fp64_1, fp32_1);
tcg_temp_free(fp32_0);
tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1);
tcg_temp_free(fp32_1);
tcg_gen_shli_i64(fp64_1, fp64_1, 32);
tcg_gen_or_i64(fp64_0, fp64_0, fp64_1);
tcg_temp_free(fp64_1);
gen_store_fpr64(ctx, fp64_0, fd);
tcg_temp_free(fp64_0);
tcg_temp_free(fp32_0);
gen_store_fpr64(ctx, fp64, fd);
tcg_temp_free(fp64);
}
opn = "cvt.ps.s";
break;

7
target-ppc/translate.c
View File

@ -5300,12 +5300,7 @@ static always_inline void gen_load_gpr64(TCGv t, int reg) {
#if defined(TARGET_PPC64)
tcg_gen_mov_i64(t, cpu_gpr[reg]);
#else
tcg_gen_extu_i32_i64(t, cpu_gprh[reg]);
tcg_gen_shli_i64(t, t, 32);
TCGv tmp = tcg_temp_local_new(TCG_TYPE_I64);
tcg_gen_extu_i32_i64(tmp, cpu_gpr[reg]);
tcg_gen_or_i64(t, t, tmp);
tcg_temp_free(tmp);
tcg_gen_concat_i32_i64(t, cpu_gpr[reg], cpu_gprh[reg]);
#endif
}

9
target-sh4/translate.c
View File

@ -400,15 +400,12 @@ static inline void gen_load_fpr32(TCGv t, int reg)
static inline void gen_load_fpr64(TCGv t, int reg)
{
TCGv tmp1 = tcg_temp_new(TCG_TYPE_I32);
TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64);
TCGv tmp2 = tcg_temp_new(TCG_TYPE_I32);
tcg_gen_ld_i32(tmp1, cpu_env, offsetof(CPUState, fregs[reg]));
tcg_gen_extu_i32_i64(t, tmp1);
tcg_gen_shli_i64(t, t, 32);
tcg_gen_ld_i32(tmp1, cpu_env, offsetof(CPUState, fregs[reg + 1]));
tcg_gen_extu_i32_i64(tmp2, tmp1);
tcg_gen_ld_i32(tmp2, cpu_env, offsetof(CPUState, fregs[reg + 1]));
tcg_gen_concat_i32_i64(t, tmp2, tmp1);
tcg_temp_free(tmp1);
tcg_gen_or_i64(t, t, tmp2);
tcg_temp_free(tmp2);
}

4
tcg/README
View File

@ -265,6 +265,10 @@ Convert t1 (32 bit) to t0 (64 bit) and does zero extension
* trunc_i64_i32 t0, t1
Truncate t1 (64 bit) to t0 (32 bit)
* concat_i32_i64 t0, t1, t2
Construct t0 (64-bit) taking the low half from t1 (32 bit) and the high half
from t2 (32 bit).
********* Load/Store
* ld_i32/i64 t0, t1, offset

17
tcg/tcg-op.h
View File

@ -1395,6 +1395,23 @@ static inline void tcg_gen_discard_i64(TCGv arg)
}
#endif
static inline void tcg_gen_concat_i32_i64(TCGv dest, TCGv low, TCGv high)
{
#if TCG_TARGET_REG_BITS == 32
tcg_gen_mov_i32(dest, low);
tcg_gen_mov_i32(TCGV_HIGH(dest), high);
#else
TCGv tmp = tcg_temp_new (TCG_TYPE_I64);
/* This extension is only needed for type correctness.
We may be able to do better given target specific information. */
tcg_gen_extu_i32_i64(tmp, high);
tcg_gen_shli_i64(tmp, tmp, 32);
tcg_gen_extu_i32_i64(dest, low);
tcg_gen_or_i64(dest, dest, tmp);
tcg_temp_free(tmp);
#endif
}
/***************************************/
/* QEMU specific operations. Their type depend on the QEMU CPU
type. */