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git subrepo pull (merge) --force deps/lightning
[pcsx_rearmed.git] / deps / lightning / lib / jit_alpha-cpu.c
diff --git a/deps/lightning/lib/jit_alpha-cpu.c b/deps/lightning/lib/jit_alpha-cpu.c
index 8bfef9c..91d15c8 100644 (file)
--- a/deps/lightning/lib/jit_alpha-cpu.c
+++ b/deps/lightning/lib/jit_alpha-cpu.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019  Free Software Foundation, Inc.
+ * Copyright (C) 2014-2023  Free Software Foundation, Inc.
  *
  * This file is part of GNU lightning.
  *
@@ -311,8 +311,21 @@ static void _movr(jit_state_t*,jit_int32_t,jit_int32_t);
 static void _movi(jit_state_t*,jit_int32_t,jit_word_t);
 #  define movi_p(r0,i0)                        _movi_p(_jit,r0,i0)
 static jit_word_t _movi_p(jit_state_t*,jit_int32_t,jit_word_t);
+#  define movnr(r0,r1,r2)              CMOVNE(r2, r1, r0)
+#  define movzr(r0,r1,r2)              CMOVEQ(r2, r1, r0)
+#  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 negr(r0,r1)                  NEGQ(r1,r0)
 #  define comr(r0,r1)                  NOT(r1,r0)
+#  define clor(r0, r1)                 _clor(_jit, r0, r1)
+static void _clor(jit_state_t*, jit_int32_t, jit_int32_t);
+#  define clzr(r0, r1)                 CTLZ(r1, r0)
+#  define ctor(r0, r1)                 _ctor(_jit, r0, r1)
+static void _ctor(jit_state_t*, jit_int32_t, jit_int32_t);
+#  define ctzr(r0, r1)                 CTTZ(r1, r0)
 #  define addr(r0,r1,r2)               ADDQ(r1,r2,r0)
 #  define addi(r0,r1,i0)               _addi(_jit,r0,r1,i0)
 static void _addi(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t);
@@ -622,21 +635,15 @@ static void _extr_us(jit_state_t*,jit_int32_t,jit_int32_t);
 static void _extr_i(jit_state_t*,jit_int32_t,jit_int32_t);
 #  define extr_ui(r0,r1)               _extr_ui(_jit,r0,r1)
 static void _extr_ui(jit_state_t*,jit_int32_t,jit_int32_t);
-#  if __BYTE_ORDER == __LITTLE_ENDIAN
-#    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 htonr_ul(r0,r1)            _htonr_ul(_jit,r0,r1)
-static void _htonr_ul(jit_state_t*,jit_int32_t,jit_int32_t);
-#  else
-#    define htonr_us(r0,r1)            extr_us(r0,r1)
-#    define htonr_ui(r0,r1)            extr_ui(r0,r1)
-#    define htonr_ul(r0,r1)            movr(r0,r1)
-#  endif
+#  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);
+#  define bswapr_ul(r0,r1)             _bswapr_ul(_jit,r0,r1)
+static void _bswapr_ul(jit_state_t*,jit_int32_t,jit_int32_t);
 #  define jmpr(r0)                     JMP(_R31_REGNO,r0,0)
 #  define jmpi(i0)                     _jmpi(_jit,i0)
-static void _jmpi(jit_state_t*, jit_word_t);
+static jit_word_t _jmpi(jit_state_t*, jit_word_t);
 #  define jmpi_p(i0)                   _jmpi_p(_jit,i0)
 static jit_word_t _jmpi_p(jit_state_t*, jit_word_t);
 #define callr(r0)                      _callr(_jit,r0)
@@ -811,6 +818,48 @@ _movi_p(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0)
     return (w);
 }
 
+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_word_t         jump0, jump1, again, done;
+    jit_int32_t         iscasi, r1_reg;
+    if ((iscasi = (r1 == _NOREG))) {
+        r1_reg = jit_get_reg(jit_class_gpr);
+        r1 = rn(r1_reg);
+        movi(r1, i0);
+    }
+    again = _jit->pc.w;                        /* AGAIN */
+    LDQ_L(r0, r1, 0);                  /* Load r0 locked */
+    jump0 = bner(_jit->pc.w, r0, r2);  /* bne FAIL r0 r2 */
+    movr(r0, r3);                      /* Move to r0 to attempt to store */
+    STQ_C(r0, r1, 0);                  /* r0 is an in/out argument */
+    jump1 = _jit->pc.w;
+    BEQ(r0, 0);                                /* beqi AGAIN r0 0 */
+    patch_at(jump1, again);
+    jump1 = _jit->pc.w;
+    BR(_R31_REGNO, 0);                 /* r0 set to 1 if store succeeded */
+    patch_at(jump0, _jit->pc.w);       /* FAIL: */
+    movi(r0, 0);                       /* Already locked */
+    patch_at(jump1, _jit->pc.w);
+    if (iscasi)
+        jit_unget_reg(r1_reg);
+}
+
+static void
+_clor(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
+{
+    comr(r0, r1);
+    clzr(r0, r0);
+}
+
+static void
+_ctor(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
+{
+    comr(r0, r1);
+    ctzr(r0, r0);
+}
+
 static void
 _addi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
 {
@@ -2453,7 +2502,7 @@ _extr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
 }
 
 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)
 {
     jit_int32_t                t0;
     t0 = jit_get_reg(jit_class_gpr);
@@ -2465,7 +2514,7 @@ _htonr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
 }
 
 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)
 {
     jit_int32_t                t0;
     jit_int32_t                t1;
@@ -2491,7 +2540,7 @@ _htonr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
 }
 
 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)
 {
     jit_int32_t                t0;
     jit_int32_t                t1;
@@ -2514,7 +2563,7 @@ _htonr_ul(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
     jit_unget_reg(t0);
 }
 
-static void
+static jit_word_t
 _jmpi(jit_state_t *_jit, jit_word_t i0)
 {
     jit_word_t         w;
@@ -2524,7 +2573,8 @@ _jmpi(jit_state_t *_jit, jit_word_t i0)
     if (_s21_p(d))
        BR(_R31_REGNO, d);
     else
-       (void)jmpi_p(i0);
+       w = jmpi_p(i0);
+    return (w);
 }
 
 static jit_word_t
ARM optimized PCSX fork