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target/alpha: Pass immediate value to gen_bcond_internal()

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Simplify gen_bcond() by passing an immediate value.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231028194522.245170-33-richard.henderson@linaro.org>
[PMD: Split from bigger patch, part 1/2]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231108205247.83234-1-philmd@linaro.org>
This commit is contained in:
Richard Henderson 2023-11-08 21:52:46 +01:00
parent fb04ab7ddd
commit 42c47f631f
1 changed files with 7 additions and 14 deletions
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21
target/alpha/translate.c
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@ -453,13 +453,13 @@ static DisasJumpType gen_bdirect(DisasContext *ctx, int ra, int32_t disp)
}
static DisasJumpType gen_bcond_internal(DisasContext *ctx, TCGCond cond,
TCGv cmp, int32_t disp)
TCGv cmp, uint64_t imm, int32_t disp)
{
uint64_t dest = ctx->base.pc_next + (disp << 2);
TCGLabel *lab_true = gen_new_label();
if (use_goto_tb(ctx, dest)) {
tcg_gen_brcondi_i64(cond, cmp, 0, lab_true);
tcg_gen_brcondi_i64(cond, cmp, imm, lab_true);
tcg_gen_goto_tb(0);
tcg_gen_movi_i64(cpu_pc, ctx->base.pc_next);
@ -472,11 +472,11 @@ static DisasJumpType gen_bcond_internal(DisasContext *ctx, TCGCond cond,
return DISAS_NORETURN;
} else {
TCGv_i64 z = load_zero(ctx);
TCGv_i64 i = tcg_constant_i64(imm);
TCGv_i64 d = tcg_constant_i64(dest);
TCGv_i64 p = tcg_constant_i64(ctx->base.pc_next);
tcg_gen_movcond_i64(cond, cpu_pc, cmp, z, d, p);
tcg_gen_movcond_i64(cond, cpu_pc, cmp, i, d, p);
return DISAS_PC_UPDATED;
}
}
@ -484,15 +484,8 @@ static DisasJumpType gen_bcond_internal(DisasContext *ctx, TCGCond cond,
static DisasJumpType gen_bcond(DisasContext *ctx, TCGCond cond, int ra,
int32_t disp, int mask)
{
if (mask) {
TCGv tmp = tcg_temp_new();
DisasJumpType ret;
tcg_gen_andi_i64(tmp, load_gpr(ctx, ra), 1);
ret = gen_bcond_internal(ctx, cond, tmp, disp);
return ret;
}
return gen_bcond_internal(ctx, cond, load_gpr(ctx, ra), disp);
return gen_bcond_internal(ctx, cond, load_gpr(ctx, ra),
mask, disp);
}
/* Fold -0.0 for comparison with COND. */
@ -533,7 +526,7 @@ static DisasJumpType gen_fbcond(DisasContext *ctx, TCGCond cond, int ra,
DisasJumpType ret;
gen_fold_mzero(cond, cmp_tmp, load_fpr(ctx, ra));
ret = gen_bcond_internal(ctx, cond, cmp_tmp, disp);
ret = gen_bcond_internal(ctx, cond, cmp_tmp, 0, disp);
return ret;
}