diff options
| author | Richard Henderson <rth@twiddle.net> | 2011-01-10 19:23:47 -0800 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@gmail.com> | 2011-01-20 12:16:12 +0100 |
| commit | c832e3de64f1069313fc0672087791cc3dd5b4d8 (patch) | |
| tree | 84d77f40f53d35785dcd6ae6989e56d1509984ea | |
| parent | b7767f0f3cb6879b42ed47e9375313829028adaf (diff) | |
target-i386: Use deposit operation.
Use this for assignment to the low byte or low word of a register.
Acked-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
| -rw-r--r-- | target-i386/translate.c | 34 |
1 files changed, 6 insertions, 28 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index 7b6e3c2eae..c00845038a 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -274,28 +274,16 @@ static inline void gen_op_andl_A0_ffff(void) static inline void gen_op_mov_reg_v(int ot, int reg, TCGv t0) { - TCGv tmp; - switch(ot) { case OT_BYTE: - tmp = tcg_temp_new(); - tcg_gen_ext8u_tl(tmp, t0); if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) { - tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xff); - tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], tmp); + tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], t0, 0, 8); } else { - tcg_gen_shli_tl(tmp, tmp, 8); - tcg_gen_andi_tl(cpu_regs[reg - 4], cpu_regs[reg - 4], ~0xff00); - tcg_gen_or_tl(cpu_regs[reg - 4], cpu_regs[reg - 4], tmp); + tcg_gen_deposit_tl(cpu_regs[reg - 4], cpu_regs[reg - 4], t0, 8, 8); } - tcg_temp_free(tmp); break; case OT_WORD: - tmp = tcg_temp_new(); - tcg_gen_ext16u_tl(tmp, t0); - tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xffff); - tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], tmp); - tcg_temp_free(tmp); + tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], t0, 0, 16); break; default: /* XXX this shouldn't be reached; abort? */ case OT_LONG: @@ -323,15 +311,9 @@ static inline void gen_op_mov_reg_T1(int ot, int reg) static inline void gen_op_mov_reg_A0(int size, int reg) { - TCGv tmp; - switch(size) { case 0: - tmp = tcg_temp_new(); - tcg_gen_ext16u_tl(tmp, cpu_A0); - tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xffff); - tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], tmp); - tcg_temp_free(tmp); + tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], cpu_A0, 0, 16); break; default: /* XXX this shouldn't be reached; abort? */ case 1: @@ -415,9 +397,7 @@ static inline void gen_op_add_reg_im(int size, int reg, int32_t val) switch(size) { case 0: tcg_gen_addi_tl(cpu_tmp0, cpu_regs[reg], val); - tcg_gen_ext16u_tl(cpu_tmp0, cpu_tmp0); - tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xffff); - tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], cpu_tmp0); + tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], cpu_tmp0, 0, 16); break; case 1: tcg_gen_addi_tl(cpu_tmp0, cpu_regs[reg], val); @@ -439,9 +419,7 @@ static inline void gen_op_add_reg_T0(int size, int reg) switch(size) { case 0: tcg_gen_add_tl(cpu_tmp0, cpu_regs[reg], cpu_T[0]); - tcg_gen_ext16u_tl(cpu_tmp0, cpu_tmp0); - tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xffff); - tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], cpu_tmp0); + tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], cpu_tmp0, 0, 16); break; case 1: tcg_gen_add_tl(cpu_tmp0, cpu_regs[reg], cpu_T[0]); |