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target/rx: Avoid tcg_const_i32 when new temp needed 

These three cases use a constant as first input, and
then overwrite the temp in the output.  Separate them.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-02-26 10:12:45 -10:00
parent bb09b540c4
commit 09374ee274
1 changed files with 6 additions and 6 deletions
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12
target/rx/translate.c
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@ -1313,10 +1313,10 @@ static bool trans_SHLL_rr(DisasContext *ctx, arg_SHLL_rr *a)
done = gen_new_label();
/* if (cpu_regs[a->rs]) { */
tcg_gen_brcondi_i32(TCG_COND_EQ, cpu_regs[a->rs], 0, noshift);
count = tcg_const_i32(32);
count = tcg_temp_new();
tmp = tcg_temp_new();
tcg_gen_andi_i32(tmp, cpu_regs[a->rs], 31);
tcg_gen_sub_i32(count, count, tmp);
tcg_gen_sub_i32(count, tcg_constant_i32(32), tmp);
tcg_gen_sar_i32(cpu_psw_c, cpu_regs[a->rd], count);
tcg_gen_shl_i32(cpu_regs[a->rd], cpu_regs[a->rd], tmp);
tcg_gen_setcondi_i32(TCG_COND_EQ, cpu_psw_o, cpu_psw_c, 0);
@ -1979,10 +1979,10 @@ static inline void rx_bnotr(TCGv reg, TCGv mask)
cat3(arg_, name, _rr) * a) \
{ \
TCGv mask, b; \
mask = tcg_const_i32(1); \
mask = tcg_temp_new(); \
b = tcg_temp_new(); \
tcg_gen_andi_i32(b, cpu_regs[a->rs], 31); \
tcg_gen_shl_i32(mask, mask, b); \
tcg_gen_shl_i32(mask, tcg_constant_i32(1), b); \
cat3(rx_, op, r)(cpu_regs[a->rd], mask); \
return true; \
} \
@ -1990,10 +1990,10 @@ static inline void rx_bnotr(TCGv reg, TCGv mask)
cat3(arg_, name, _rm) * a) \
{ \
TCGv mask, mem, addr, b; \
mask = tcg_const_i32(1); \
mask = tcg_temp_new(); \
b = tcg_temp_new(); \
tcg_gen_andi_i32(b, cpu_regs[a->rd], 7); \
tcg_gen_shl_i32(mask, mask, b); \
tcg_gen_shl_i32(mask, tcg_constant_i32(1), b); \
mem = tcg_temp_new(); \
addr = rx_index_addr(ctx, mem, a->ld, MO_8, a->rs); \
cat3(rx_, op, m)(addr, mask); \