haraldwolff/qemu-patch-raspberry4
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tcg/sparc: Remove retranslation code

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There is no longer a need for preserving branch offset operands,
as we no longer re-translate.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2018-11-30 11:36:03 -08:00
parent 3661612fc3
commit 791645f022
1 changed files with 2 additions and 6 deletions
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8
tcg/sparc/tcg-target.inc.c
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@ -610,13 +610,11 @@ static void tcg_out_bpcc0(TCGContext *s, int scond, int flags, int off19)
static void tcg_out_bpcc(TCGContext *s, int scond, int flags, TCGLabel *l)
{
int off19;
int off19 = 0;
if (l->has_value) {
off19 = INSN_OFF19(tcg_pcrel_diff(s, l->u.value_ptr));
} else {
/* Make sure to preserve destinations during retranslation. */
off19 = *s->code_ptr & INSN_OFF19(-1);
tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP19, l, 0);
}
tcg_out_bpcc0(s, scond, flags, off19);
@ -656,13 +654,11 @@ static void tcg_out_brcond_i64(TCGContext *s, TCGCond cond, TCGReg arg1,
{
/* For 64-bit signed comparisons vs zero, we can avoid the compare. */
if (arg2 == 0 && !is_unsigned_cond(cond)) {
int off16;
int off16 = 0;
if (l->has_value) {
off16 = INSN_OFF16(tcg_pcrel_diff(s, l->u.value_ptr));
} else {
/* Make sure to preserve destinations during retranslation. */
off16 = *s->code_ptr & INSN_OFF16(-1);
tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP16, l, 0);
}
tcg_out32(s, INSN_OP(0) | INSN_OP2(3) | BPR_PT | INSN_RS1(arg1)