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-rw-r--r--tcg/s390/tcg-target.c91
-rw-r--r--tcg/s390/tcg-target.h2
2 files changed, 45 insertions, 48 deletions
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c
index 1d912a7937..ae1be1cb13 100644
--- a/tcg/s390/tcg-target.c
+++ b/tcg/s390/tcg-target.c
@@ -320,7 +320,7 @@ static const uint8_t tcg_cond_to_ltr_cond[] = {
#ifdef CONFIG_SOFTMMU
/* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr,
int mmu_idx) */
-static const void * const qemu_ld_helpers[4] = {
+static void * const qemu_ld_helpers[4] = {
helper_ldb_mmu,
helper_ldw_mmu,
helper_ldl_mmu,
@@ -329,7 +329,7 @@ static const void * const qemu_ld_helpers[4] = {
/* helper signature: helper_st_mmu(CPUState *env, target_ulong addr,
uintxx_t val, int mmu_idx) */
-static const void * const qemu_st_helpers[4] = {
+static void * const qemu_st_helpers[4] = {
helper_stb_mmu,
helper_stw_mmu,
helper_stl_mmu,
@@ -337,7 +337,7 @@ static const void * const qemu_st_helpers[4] = {
};
#endif
-static uint8_t *tb_ret_addr;
+static tcg_insn_unit *tb_ret_addr;
/* A list of relevant facilities used by this translator. Some of these
are required for proper operation, and these are checked at startup. */
@@ -350,23 +350,20 @@ static uint8_t *tb_ret_addr;
static uint64_t facilities;
-static void patch_reloc(uint8_t *code_ptr, int type,
+static void patch_reloc(tcg_insn_unit *code_ptr, int type,
intptr_t value, intptr_t addend)
{
- intptr_t code_ptr_tl = (intptr_t)code_ptr;
- intptr_t pcrel2;
-
- /* ??? Not the usual definition of "addend". */
- pcrel2 = (value - (code_ptr_tl + addend)) >> 1;
+ intptr_t pcrel2 = (tcg_insn_unit *)value - (code_ptr - 1);
+ assert(addend == -2);
switch (type) {
case R_390_PC16DBL:
assert(pcrel2 == (int16_t)pcrel2);
- *(int16_t *)code_ptr = pcrel2;
+ tcg_patch16(code_ptr, pcrel2);
break;
case R_390_PC32DBL:
assert(pcrel2 == (int32_t)pcrel2);
- *(int32_t *)code_ptr = pcrel2;
+ tcg_patch32(code_ptr, pcrel2);
break;
default:
tcg_abort();
@@ -672,7 +669,7 @@ static void tcg_out_movi(TCGContext *s, TCGType type,
/* Try for PC-relative address load. */
if ((sval & 1) == 0) {
- intptr_t off = (sval - (intptr_t)s->code_ptr) >> 1;
+ ptrdiff_t off = tcg_pcrel_diff(s, (void *)sval) >> 1;
if (off == (int32_t)off) {
tcg_out_insn(s, RIL, LARL, ret, off);
return;
@@ -789,10 +786,10 @@ static inline void tcg_out_st(TCGContext *s, TCGType type, TCGReg data,
/* load data from an absolute host address */
static void tcg_out_ld_abs(TCGContext *s, TCGType type, TCGReg dest, void *abs)
{
- tcg_target_long addr = (tcg_target_long)abs;
+ intptr_t addr = (intptr_t)abs;
- if (facilities & FACILITY_GEN_INST_EXT) {
- tcg_target_long disp = (addr - (tcg_target_long)s->code_ptr) >> 1;
+ if ((facilities & FACILITY_GEN_INST_EXT) && !(addr & 1)) {
+ ptrdiff_t disp = tcg_pcrel_diff(s, abs) >> 1;
if (disp == (int32_t)disp) {
if (type == TCG_TYPE_I32) {
tcg_out_insn(s, RIL, LRL, dest, disp);
@@ -1154,15 +1151,15 @@ static void tgen_deposit(TCGContext *s, TCGReg dest, TCGReg src,
tcg_out_risbg(s, dest, src, msb, lsb, ofs, 0);
}
-static void tgen_gotoi(TCGContext *s, int cc, tcg_target_long dest)
+static void tgen_gotoi(TCGContext *s, int cc, tcg_insn_unit *dest)
{
- tcg_target_long off = (dest - (tcg_target_long)s->code_ptr) >> 1;
- if (off > -0x8000 && off < 0x7fff) {
+ ptrdiff_t off = dest - s->code_ptr;
+ if (off == (int16_t)off) {
tcg_out_insn(s, RI, BRC, cc, off);
} else if (off == (int32_t)off) {
tcg_out_insn(s, RIL, BRCL, cc, off);
} else {
- tcg_out_movi(s, TCG_TYPE_PTR, TCG_TMP0, dest);
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_TMP0, (uintptr_t)dest);
tcg_out_insn(s, RR, BCR, cc, TCG_TMP0);
}
}
@@ -1171,15 +1168,15 @@ static void tgen_branch(TCGContext *s, int cc, int labelno)
{
TCGLabel* l = &s->labels[labelno];
if (l->has_value) {
- tgen_gotoi(s, cc, l->u.value);
+ tgen_gotoi(s, cc, l->u.value_ptr);
} else if (USE_LONG_BRANCHES) {
tcg_out16(s, RIL_BRCL | (cc << 4));
tcg_out_reloc(s, s->code_ptr, R_390_PC32DBL, labelno, -2);
- s->code_ptr += 4;
+ s->code_ptr += 2;
} else {
tcg_out16(s, RI_BRC | (cc << 4));
tcg_out_reloc(s, s->code_ptr, R_390_PC16DBL, labelno, -2);
- s->code_ptr += 2;
+ s->code_ptr += 1;
}
}
@@ -1187,14 +1184,14 @@ static void tgen_compare_branch(TCGContext *s, S390Opcode opc, int cc,
TCGReg r1, TCGReg r2, int labelno)
{
TCGLabel* l = &s->labels[labelno];
- tcg_target_long off;
+ intptr_t off;
if (l->has_value) {
- off = (l->u.value - (tcg_target_long)s->code_ptr) >> 1;
+ off = l->u.value_ptr - s->code_ptr;
} else {
/* We need to keep the offset unchanged for retranslation. */
- off = ((int16_t *)s->code_ptr)[1];
- tcg_out_reloc(s, s->code_ptr + 2, R_390_PC16DBL, labelno, -2);
+ off = s->code_ptr[1];
+ tcg_out_reloc(s, s->code_ptr + 1, R_390_PC16DBL, labelno, -2);
}
tcg_out16(s, (opc & 0xff00) | (r1 << 4) | r2);
@@ -1209,11 +1206,11 @@ static void tgen_compare_imm_branch(TCGContext *s, S390Opcode opc, int cc,
tcg_target_long off;
if (l->has_value) {
- off = (l->u.value - (tcg_target_long)s->code_ptr) >> 1;
+ off = l->u.value_ptr - s->code_ptr;
} else {
/* We need to keep the offset unchanged for retranslation. */
- off = ((int16_t *)s->code_ptr)[1];
- tcg_out_reloc(s, s->code_ptr + 2, R_390_PC16DBL, labelno, -2);
+ off = s->code_ptr[1];
+ tcg_out_reloc(s, s->code_ptr + 1, R_390_PC16DBL, labelno, -2);
}
tcg_out16(s, (opc & 0xff00) | (r1 << 4) | cc);
@@ -1272,13 +1269,13 @@ static void tgen_brcond(TCGContext *s, TCGType type, TCGCond c,
tgen_branch(s, cc, labelno);
}
-static void tgen_calli(TCGContext *s, tcg_target_long dest)
+static void tgen_calli(TCGContext *s, tcg_insn_unit *dest)
{
- tcg_target_long off = (dest - (tcg_target_long)s->code_ptr) >> 1;
+ ptrdiff_t off = dest - s->code_ptr;
if (off == (int32_t)off) {
tcg_out_insn(s, RIL, BRASL, TCG_REG_R14, off);
} else {
- tcg_out_movi(s, TCG_TYPE_PTR, TCG_TMP0, dest);
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_TMP0, (uintptr_t)dest);
tcg_out_insn(s, RR, BASR, TCG_REG_R14, TCG_TMP0);
}
}
@@ -1395,14 +1392,14 @@ static void tcg_out_qemu_st_direct(TCGContext *s, int opc, TCGReg data,
#if defined(CONFIG_SOFTMMU)
static TCGReg tcg_prepare_qemu_ldst(TCGContext* s, TCGReg data_reg,
TCGReg addr_reg, int mem_index, int opc,
- uint16_t **label2_ptr_p, int is_store)
+ tcg_insn_unit **label2_ptr_p, int is_store)
{
const TCGReg arg0 = tcg_target_call_iarg_regs[0];
const TCGReg arg1 = tcg_target_call_iarg_regs[1];
const TCGReg arg2 = tcg_target_call_iarg_regs[2];
const TCGReg arg3 = tcg_target_call_iarg_regs[3];
int s_bits = opc & 3;
- uint16_t *label1_ptr;
+ tcg_insn_unit *label1_ptr;
tcg_target_long ofs;
if (TARGET_LONG_BITS == 32) {
@@ -1436,7 +1433,7 @@ static TCGReg tcg_prepare_qemu_ldst(TCGContext* s, TCGReg data_reg,
tcg_out_mov(s, TCG_TYPE_I64, arg1, addr_reg);
}
- label1_ptr = (uint16_t*)s->code_ptr;
+ label1_ptr = s->code_ptr;
/* je label1 (offset will be patched in later) */
tcg_out_insn(s, RI, BRC, S390_CC_EQ, 0);
@@ -1463,11 +1460,11 @@ static TCGReg tcg_prepare_qemu_ldst(TCGContext* s, TCGReg data_reg,
}
tcg_out_movi(s, TCG_TYPE_I32, arg3, mem_index);
tcg_out_mov(s, TCG_TYPE_I64, arg0, TCG_AREG0);
- tgen_calli(s, (tcg_target_ulong)qemu_st_helpers[s_bits]);
+ tgen_calli(s, qemu_st_helpers[s_bits]);
} else {
tcg_out_movi(s, TCG_TYPE_I32, arg2, mem_index);
tcg_out_mov(s, TCG_TYPE_I64, arg0, TCG_AREG0);
- tgen_calli(s, (tcg_target_ulong)qemu_ld_helpers[s_bits]);
+ tgen_calli(s, qemu_ld_helpers[s_bits]);
/* sign extension */
switch (opc) {
@@ -1488,13 +1485,12 @@ static TCGReg tcg_prepare_qemu_ldst(TCGContext* s, TCGReg data_reg,
}
/* jump to label2 (end) */
- *label2_ptr_p = (uint16_t*)s->code_ptr;
+ *label2_ptr_p = s->code_ptr;
tcg_out_insn(s, RI, BRC, S390_CC_ALWAYS, 0);
/* this is label1, patch branch */
- *(label1_ptr + 1) = ((unsigned long)s->code_ptr -
- (unsigned long)label1_ptr) >> 1;
+ label1_ptr[1] = s->code_ptr - label1_ptr;
ofs = offsetof(CPUArchState, tlb_table[mem_index][0].addend);
assert(ofs < 0x80000);
@@ -1504,11 +1500,10 @@ static TCGReg tcg_prepare_qemu_ldst(TCGContext* s, TCGReg data_reg,
return arg1;
}
-static void tcg_finish_qemu_ldst(TCGContext* s, uint16_t *label2_ptr)
+static void tcg_finish_qemu_ldst(TCGContext* s, tcg_insn_unit *label2_ptr)
{
/* patch branch */
- *(label2_ptr + 1) = ((unsigned long)s->code_ptr -
- (unsigned long)label2_ptr) >> 1;
+ label2_ptr[1] = s->code_ptr - label2_ptr;
}
#else
static void tcg_prepare_user_ldst(TCGContext *s, TCGReg *addr_reg,
@@ -1535,7 +1530,7 @@ static void tcg_out_qemu_ld(TCGContext* s, const TCGArg* args, int opc)
TCGReg addr_reg, data_reg;
#if defined(CONFIG_SOFTMMU)
int mem_index;
- uint16_t *label2_ptr;
+ tcg_insn_unit *label2_ptr;
#else
TCGReg index_reg;
tcg_target_long disp;
@@ -1564,7 +1559,7 @@ static void tcg_out_qemu_st(TCGContext* s, const TCGArg* args, int opc)
TCGReg addr_reg, data_reg;
#if defined(CONFIG_SOFTMMU)
int mem_index;
- uint16_t *label2_ptr;
+ tcg_insn_unit *label2_ptr;
#else
TCGReg index_reg;
tcg_target_long disp;
@@ -1602,7 +1597,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_exit_tb:
/* return value */
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R2, args[0]);
- tgen_gotoi(s, S390_CC_ALWAYS, (unsigned long)tb_ret_addr);
+ tgen_gotoi(s, S390_CC_ALWAYS, tb_ret_addr);
break;
case INDEX_op_goto_tb:
@@ -1614,12 +1609,12 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
/* and go there */
tcg_out_insn(s, RR, BCR, S390_CC_ALWAYS, TCG_TMP0);
}
- s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
+ s->tb_next_offset[args[0]] = tcg_current_code_size(s);
break;
case INDEX_op_call:
if (const_args[0]) {
- tgen_calli(s, args[0]);
+ tgen_calli(s, (tcg_insn_unit *)(intptr_t)args[0]);
} else {
tcg_out_insn(s, RR, BASR, TCG_REG_R14, args[0]);
}
diff --git a/tcg/s390/tcg-target.h b/tcg/s390/tcg-target.h
index 755c00237e..5bf733eb3d 100644
--- a/tcg/s390/tcg-target.h
+++ b/tcg/s390/tcg-target.h
@@ -24,6 +24,8 @@
#ifndef TCG_TARGET_S390
#define TCG_TARGET_S390 1
+#define TCG_TARGET_INSN_UNIT_SIZE 2
+
typedef enum TCGReg {
TCG_REG_R0 = 0,
TCG_REG_R1,
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-27 20:23:55 +0000