X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=deps%2Flightning%2Flib%2Fjit_alpha-cpu.c;h=91d15c8c1d1a656f049c8aa94344740795ba3857;hb=79bfeef6160be4b228a7998ac2b43cd83d882532;hp=2dd701d76bc9d825c2cfe91f4f60132d1913b881;hpb=437b1e617808119c3a24a72c77cd2fa86a5d3220;p=pcsx_rearmed.git

diff --git a/deps/lightning/lib/jit_alpha-cpu.c b/deps/lightning/lib/jit_alpha-cpu.c
index 2dd701d7..91d15c8c 100644
--- 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.
  *
@@ -311,12 +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)		_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)
-static void _movzr(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_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);
@@ -634,7 +643,7 @@ static void _bswapr_ui(jit_state_t*,jit_int32_t,jit_int32_t);
 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)
@@ -810,21 +819,45 @@ _movi_p(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0)
 }
 
 static void
-_movnr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2)
+_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	w;
-    w = beqi(_jit->pc.w, r2, 0);
-    MOV(r1, r0);
-    patch_at(w, _jit->pc.w);
+    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
-_movzr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2)
+_ctor(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
 {
-    jit_word_t	w;
-    w = bnei(_jit->pc.w, r2, 0);
-    MOV(r1, r0);
-    patch_at(w, _jit->pc.w);
+    comr(r0, r1);
+    ctzr(r0, r0);
 }
 
 static void
@@ -2530,7 +2563,7 @@ _bswapr_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;
@@ -2540,7 +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