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Merge branch 'master' into v2.1

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This commit is contained in:
Mike Pall 2023-09-09 18:18:48 +02:00
commit f442432ecb
1 changed files with 5 additions and 2 deletions
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7
src/lj_asm_arm.h
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@ -1990,6 +1990,7 @@ static void asm_prof(ASMState *as, IRIns *ir)
static void asm_stack_check(ASMState *as, BCReg topslot,
IRIns *irp, RegSet allow, ExitNo exitno)
{
int savereg = 0;
Reg pbase;
uint32_t k;
if (irp) {
@ -2000,12 +2001,14 @@ static void asm_stack_check(ASMState *as, BCReg topslot,
pbase = rset_pickbot(allow);
} else {
pbase = RID_RET;
emit_lso(as, ARMI_LDR, RID_RET, RID_SP, 0); /* Restore temp. register. */
savereg = 1;
}
} else {
pbase = RID_BASE;
}
emit_branch(as, ARMF_CC(ARMI_BL, CC_LS), exitstub_addr(as->J, exitno));
if (savereg)
emit_lso(as, ARMI_LDR, RID_RET, RID_SP, 0); /* Restore temp. register. */
k = emit_isk12(0, (int32_t)(8*topslot));
lj_assertA(k, "slot offset %d does not fit in K12", 8*topslot);
emit_n(as, ARMI_CMP^k, RID_TMP);
@ -2017,7 +2020,7 @@ static void asm_stack_check(ASMState *as, BCReg topslot,
if (ra_hasspill(irp->s))
emit_lso(as, ARMI_LDR, pbase, RID_SP, sps_scale(irp->s));
emit_lso(as, ARMI_LDR, RID_TMP, RID_TMP, (i & 4095));
if (ra_hasspill(irp->s) && !allow)
if (savereg)
emit_lso(as, ARMI_STR, RID_RET, RID_SP, 0); /* Save temp. register. */
emit_loadi(as, RID_TMP, (i & ~4095));
} else {