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authorRichard Henderson <richard.henderson@linaro.org>2019-04-21 14:51:00 -0700
committerRichard Henderson <richard.henderson@linaro.org>2019-04-24 13:05:28 -0700
commitaeee05f53a5d67304a521d2644dc0a607e3c8b28 (patch)
tree39ee5d6b8c296c391f80e8be214f0bc09f6ef364 /tcg/arm
parent1768987b73fa7e23e58b7844abe5882490ff8e42 (diff)
tcg: Restart TB generation after out-of-line ldst overflow
This is part c of relocation overflow handling. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/arm')
-rw-r--r--tcg/arm/tcg-target.inc.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/tcg/arm/tcg-target.inc.c b/tcg/arm/tcg-target.inc.c
index 6873b0cf95..12a65cc9a6 100644
--- a/tcg/arm/tcg-target.inc.c
+++ b/tcg/arm/tcg-target.inc.c
@@ -1372,15 +1372,16 @@ static void add_qemu_ldst_label(TCGContext *s, bool is_ld, TCGMemOpIdx oi,
label->label_ptr[0] = label_ptr;
}
-static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
+static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
{
TCGReg argreg, datalo, datahi;
TCGMemOpIdx oi = lb->oi;
TCGMemOp opc = get_memop(oi);
void *func;
- bool ok = reloc_pc24(lb->label_ptr[0], s->code_ptr);
- tcg_debug_assert(ok);
+ if (!reloc_pc24(lb->label_ptr[0], s->code_ptr)) {
+ return false;
+ }
argreg = tcg_out_arg_reg32(s, TCG_REG_R0, TCG_AREG0);
if (TARGET_LONG_BITS == 64) {
@@ -1432,16 +1433,18 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
}
tcg_out_goto(s, COND_AL, lb->raddr);
+ return true;
}
-static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
+static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
{
TCGReg argreg, datalo, datahi;
TCGMemOpIdx oi = lb->oi;
TCGMemOp opc = get_memop(oi);
- bool ok = reloc_pc24(lb->label_ptr[0], s->code_ptr);
- tcg_debug_assert(ok);
+ if (!reloc_pc24(lb->label_ptr[0], s->code_ptr)) {
+ return false;
+ }
argreg = TCG_REG_R0;
argreg = tcg_out_arg_reg32(s, argreg, TCG_AREG0);
@@ -1474,6 +1477,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
/* Tail-call to the helper, which will return to the fast path. */
tcg_out_goto(s, COND_AL, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]);
+ return true;
}
#endif /* SOFTMMU */