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target/sparc: Merge gen_branch_[an] with only caller 

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-04 13:23:07 -07:00
parent d547193616
commit 6b3e4cc685
1 changed files with 30 additions and 43 deletions
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73
target/sparc/translate.c
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@ -900,47 +900,6 @@ static void gen_branch2(DisasContext *dc, target_ulong pc1,
gen_goto_tb(dc, 1, pc2, pc2 + 4);
}
static void gen_branch_a(DisasContext *dc, target_ulong pc1)
{
TCGLabel *l1 = gen_new_label();
target_ulong npc = dc->npc;
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1);
gen_goto_tb(dc, 0, npc, pc1);
gen_set_label(l1);
gen_goto_tb(dc, 1, npc + 4, npc + 8);
dc->base.is_jmp = DISAS_NORETURN;
}
static void gen_branch_n(DisasContext *dc, target_ulong pc1)
{
target_ulong npc = dc->npc;
if (npc & 3) {
switch (npc) {
case DYNAMIC_PC:
case DYNAMIC_PC_LOOKUP:
tcg_gen_mov_tl(cpu_pc, cpu_npc);
tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc,
cpu_cond, tcg_constant_tl(0),
tcg_constant_tl(pc1), cpu_npc);
dc->pc = npc;
break;
default:
g_assert_not_reached();
}
} else {
dc->pc = npc;
dc->jump_pc[0] = pc1;
dc->jump_pc[1] = npc + 4;
dc->npc = JUMP_PC;
}
}
static void gen_generic_branch(DisasContext *dc)
{
TCGv npc0 = tcg_constant_tl(dc->jump_pc[0]);
@ -2942,10 +2901,38 @@ static bool advance_jump_uncond_always(DisasContext *dc, bool annul,
static bool advance_jump_cond(DisasContext *dc, bool annul, target_ulong dest)
{
target_ulong npc = dc->npc;
if (annul) {
gen_branch_a(dc, dest);
TCGLabel *l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1);
gen_goto_tb(dc, 0, npc, dest);
gen_set_label(l1);
gen_goto_tb(dc, 1, npc + 4, npc + 8);
dc->base.is_jmp = DISAS_NORETURN;
} else {
gen_branch_n(dc, dest);
if (npc & 3) {
switch (npc) {
case DYNAMIC_PC:
case DYNAMIC_PC_LOOKUP:
tcg_gen_mov_tl(cpu_pc, cpu_npc);
tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc,
cpu_cond, tcg_constant_tl(0),
tcg_constant_tl(dest), cpu_npc);
dc->pc = npc;
break;
default:
g_assert_not_reached();
}
} else {
dc->pc = npc;
dc->jump_pc[0] = dest;
dc->jump_pc[1] = npc + 4;
dc->npc = JUMP_PC;
}
}
return true;
}