/*
- * Copyright (C) 2012-2019 Free Software Foundation, Inc.
+ * Copyright (C) 2012-2022 Free Software Foundation, Inc.
*
* This file is part of GNU lightning.
*
static void _movsr(jit_state_t*,jit_int32_t,jit_int32_t);
# define movsr_u(r0, r1) _movsr_u(_jit, r0, r1)
static void _movsr_u(jit_state_t*,jit_int32_t,jit_int32_t);
+# define casx(r0, r1, r2, r3, i0) _casx(_jit, r0, r1, r2, r3, i0)
+static void _casx(jit_state_t *_jit,jit_int32_t,jit_int32_t,
+ jit_int32_t,jit_int32_t,jit_word_t);
+#define casr(r0, r1, r2, r3) casx(r0, r1, r2, r3, 0)
+#define casi(r0, i0, r1, r2) casx(r0, _NOREG, r1, r2, i0)
#define movnr(r0, r1, r2) _movnr(_jit, r0, r1, r2)
static void _movnr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t);
#define movzr(r0, r1, r2) _movzr(_jit, r0, r1, r2)
# define movir_u(r0, r1) _movir_u(_jit, r0, r1)
static void _movir_u(jit_state_t*,jit_int32_t,jit_int32_t);
# endif
-# define htonr_us(r0, r1) _htonr_us(_jit, r0, r1)
-static void _htonr_us(jit_state_t*,jit_int32_t,jit_int32_t);
-# define htonr_ui(r0, r1) _htonr_ui(_jit, r0, r1)
-static void _htonr_ui(jit_state_t*,jit_int32_t,jit_int32_t);
+# define bswapr_us(r0, r1) _bswapr_us(_jit, r0, r1)
+static void _bswapr_us(jit_state_t*,jit_int32_t,jit_int32_t);
+# define bswapr_ui(r0, r1) _bswapr_ui(_jit, r0, r1)
+static void _bswapr_ui(jit_state_t*,jit_int32_t,jit_int32_t);
# if __X64 && !__X64_32
-#define htonr_ul(r0, r1) _htonr_ul(_jit, r0, r1)
-static void _htonr_ul(jit_state_t*,jit_int32_t,jit_int32_t);
+#define bswapr_ul(r0, r1) _bswapr_ul(_jit, r0, r1)
+static void _bswapr_ul(jit_state_t*,jit_int32_t,jit_int32_t);
#endif
# define extr_c(r0, r1) _extr_c(_jit, r0, r1)
static void _extr_c(jit_state_t*,jit_int32_t,jit_int32_t);
static void
_nop(jit_state_t *_jit, jit_int32_t count)
{
- switch (count) {
- case 0:
- break;
- case 1: /* NOP */
- ic(0x90); break;
- case 2: /* 66 NOP */
- ic(0x66); ic(0x90);
- break;
- case 3: /* NOP DWORD ptr [EAX] */
- ic(0x0f); ic(0x1f); ic(0x00);
- break;
- case 4: /* NOP DWORD ptr [EAX + 00H] */
- ic(0x0f); ic(0x1f); ic(0x40); ic(0x00);
- break;
- case 5: /* NOP DWORD ptr [EAX + EAX*1 + 00H] */
- ic(0x0f); ic(0x1f); ic(0x44); ic(0x00);
- ic(0x00);
- break;
- case 6: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00H] */
- ic(0x66); ic(0x0f); ic(0x1f); ic(0x44);
- ic(0x00); ic(0x00);
- break;
- case 7: /* NOP DWORD ptr [EAX + 00000000H] */
- ic(0x0f); ic(0x1f); ic(0x80); ii(0x0000);
- break;
- case 8: /* NOP DWORD ptr [EAX + EAX*1 + 00000000H] */
- ic(0x0f); ic(0x1f); ic(0x84); ic(0x00);
- ii(0x0000);
- break;
- case 9: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00000000H] */
- ic(0x66); ic(0x0f); ic(0x1f); ic(0x84);
- ic(0x00); ii(0x0000);
- break;
- default:
- abort();
+ jit_int32_t i;
+ while (count) {
+ if (count > 9)
+ i = 9;
+ else
+ i = count;
+ switch (i) {
+ case 0:
+ break;
+ case 1: /* NOP */
+ ic(0x90); break;
+ case 2: /* 66 NOP */
+ ic(0x66); ic(0x90);
+ break;
+ case 3: /* NOP DWORD ptr [EAX] */
+ ic(0x0f); ic(0x1f); ic(0x00);
+ break;
+ case 4: /* NOP DWORD ptr [EAX + 00H] */
+ ic(0x0f); ic(0x1f); ic(0x40); ic(0x00);
+ break;
+ case 5: /* NOP DWORD ptr [EAX + EAX*1 + 00H] */
+ ic(0x0f); ic(0x1f); ic(0x44); ic(0x00);
+ ic(0x00);
+ break;
+ case 6: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00H] */
+ ic(0x66); ic(0x0f); ic(0x1f); ic(0x44);
+ ic(0x00); ic(0x00);
+ break;
+ case 7: /* NOP DWORD ptr [EAX + 00000000H] */
+ ic(0x0f); ic(0x1f); ic(0x80); ii(0x0000);
+ break;
+ case 8: /* NOP DWORD ptr [EAX + EAX*1 + 00000000H] */
+ ic(0x0f); ic(0x1f); ic(0x84); ic(0x00);
+ ii(0x0000);
+ break;
+ case 9: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00000000H] */
+ ic(0x66); ic(0x0f); ic(0x1f); ic(0x84);
+ ic(0x00); ii(0x0000);
+ break;
+ }
+ count -= i;
}
}
-
static void
_lea(jit_state_t *_jit, jit_int32_t md, jit_int32_t rb,
jit_int32_t ri, jit_int32_t ms, jit_int32_t rd)
mrm(0x03, r7(r0), r7(r1));
}
+static void
+_casx(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1,
+ jit_int32_t r2, jit_int32_t r3, jit_word_t i0)
+{
+ jit_int32_t save_rax, restore_rax;
+ jit_int32_t ascasr_reg, ascasr_use;
+ if (r0 != _RAX_REGNO) { /* result not in %rax */
+ if (r2 != _RAX_REGNO) { /* old value not in %rax */
+ save_rax = jit_get_reg(jit_class_gpr);
+ movr(rn(save_rax), _RAX_REGNO);
+ restore_rax = 1;
+ }
+ else
+ restore_rax = 0;
+ }
+ else
+ restore_rax = 0;
+ if (r2 != _RAX_REGNO)
+ movr(_RAX_REGNO, r2);
+ if (r1 == _NOREG) { /* using immediate address */
+ if (!can_sign_extend_int_p(i0)) {
+ ascasr_reg = jit_get_reg(jit_class_gpr);
+ if (ascasr_reg == _RAX) {
+ ascasr_reg = jit_get_reg(jit_class_gpr);
+ jit_unget_reg(_RAX);
+ }
+ ascasr_use = 1;
+ movi(rn(ascasr_reg), i0);
+ }
+ else
+ ascasr_use = 0;
+ }
+ else
+ ascasr_use = 0;
+ ic(0xf0); /* lock */
+ if (ascasr_use)
+ rex(0, WIDE, r3, _NOREG, rn(ascasr_reg));
+ else
+ rex(0, WIDE, r3, _NOREG, r1);
+ ic(0x0f);
+ ic(0xb1);
+ if (r1 != _NOREG) /* casr */
+ rx(r3, 0, r1, _NOREG, _SCL1);
+ else { /* casi */
+ if (ascasr_use)
+ rx(r3, 0, rn(ascasr_reg), _NOREG, _SCL1); /* address in reg */
+ else
+ rx(r3, i0, _NOREG, _NOREG, _SCL1); /* address in offset */
+ }
+ cc(X86_CC_E, r0);
+ if (r0 != _RAX_REGNO)
+ movr(r0, _RAX_REGNO);
+ if (restore_rax) {
+ movr(_RAX_REGNO, rn(save_rax));
+ jit_unget_reg(save_rax);
+ }
+ if (ascasr_use)
+ jit_unget_reg(ascasr_reg);
+}
+
static void
_movnr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2)
{
#endif
static void
-_htonr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
+_bswapr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
{
extr_us(r0, r1);
ic(0x66);
}
static void
-_htonr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
+_bswapr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
{
movr(r0, r1);
rex(0, 0, _NOREG, _NOREG, r0);
#if __X64 && !__X64_32
static void
-_htonr_ul(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
+_bswapr_ul(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
{
movr(r0, r1);
rex(0, 1, _NOREG, _NOREG, r0);
notaz.gp2x.de / pcsx_rearmed.git / blobdiff