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Hexagon (target/hexagon) Add overrides for callr

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Add overrides for
    J2_callr
    J2_callrt
    J2_callrf

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20230307025828.1612809-3-tsimpson@quicinc.com>
This commit is contained in:
Taylor Simpson 2023-03-06 18:58:16 -08:00
parent 5ef5fdba17
commit 242af2c0b3
3 changed files with 25 additions and 11 deletions
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18
target/hexagon/genptr.c
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@ -682,6 +682,13 @@ static void gen_call(DisasContext *ctx, int pc_off)
gen_write_new_pc_pcrel(ctx, pc_off, TCG_COND_ALWAYS, NULL);
}
static void gen_callr(DisasContext *ctx, TCGv new_pc)
{
TCGv next_PC = tcg_constant_tl(ctx->next_PC);
gen_log_reg_write(HEX_REG_LR, next_PC);
gen_write_new_pc_addr(ctx, new_pc, TCG_COND_ALWAYS, NULL);
}
static void gen_cond_call(DisasContext *ctx, TCGv pred,
TCGCond cond, int pc_off)
{
@ -697,6 +704,17 @@ static void gen_cond_call(DisasContext *ctx, TCGv pred,
gen_set_label(skip);
}
static void gen_cond_callr(DisasContext *ctx,
TCGCond cond, TCGv pred, TCGv new_pc)
{
TCGv lsb = tcg_temp_new();
TCGLabel *skip = gen_new_label();
tcg_gen_andi_tl(lsb, pred, 1);
tcg_gen_brcondi_tl(cond, lsb, 0, skip);
gen_callr(ctx, new_pc);
gen_set_label(skip);
}
static void gen_endloop0(DisasContext *ctx)
{
TCGv lpcfg = tcg_temp_new();