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target/nios2: Split out helpers for gen_rr_mul_high 

Rename the macro from gen_r_mul, because these are the multiply
variants that produce a high-part result.  Do as little work as
possible within the macro; split out helper functions and pass
in arguments instead.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-22 09:28:38 -07:00
parent 7c849046af
commit 3099c41bee
1 changed files with 18 additions and 13 deletions
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31
target/nios2/translate.c
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@ -122,6 +122,7 @@ typedef struct {
typedef void GenFn2i(TCGv, TCGv, target_long);
typedef void GenFn3(TCGv, TCGv, TCGv);
typedef void GenFn4(TCGv, TCGv, TCGv, TCGv);
typedef struct DisasContext {
DisasContextBase base;
@ -669,21 +670,25 @@ gen_ri_math_logic(srli, shri)
gen_ri_math_logic(slli, shli)
gen_ri_math_logic(roli, rotli)
#define gen_r_mul(fname, insn) \
static void (fname)(DisasContext *dc, uint32_t code, uint32_t flags) \
{ \
R_TYPE(instr, (code)); \
if (likely(instr.c != R_ZERO)) { \
TCGv t0 = tcg_temp_new(); \
tcg_gen_##insn(t0, cpu_R[instr.c], \
load_gpr(dc, instr.a), load_gpr(dc, instr.b)); \
tcg_temp_free(t0); \
} \
static void do_rr_mul_high(DisasContext *dc, uint32_t insn, GenFn4 *fn)
{
R_TYPE(instr, insn);
if (likely(instr.c != R_ZERO)) {
TCGv discard = tcg_temp_new();
fn(discard, cpu_R[instr.c], load_gpr(dc, instr.a),
load_gpr(dc, instr.b));
tcg_temp_free(discard);
}
}
gen_r_mul(mulxss, muls2_tl)
gen_r_mul(mulxuu, mulu2_tl)
gen_r_mul(mulxsu, mulsu2_tl)
#define gen_rr_mul_high(fname, insn) \
static void (fname)(DisasContext *dc, uint32_t code, uint32_t flags) \
{ do_rr_mul_high(dc, code, tcg_gen_##insn##_tl); }
gen_rr_mul_high(mulxss, muls2)
gen_rr_mul_high(mulxuu, mulu2)
gen_rr_mul_high(mulxsu, mulsu2)
#define gen_r_shift_s(fname, insn) \
static void (fname)(DisasContext *dc, uint32_t code, uint32_t flags) \