X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=deps%2Flightning%2Flib%2Fjit_size.c;h=143a5d9d77336f997340df9fac189a54e8eeee17;hb=b68d544b28b604e2e88e2dbab5b55826a03a269e;hp=61f1aa4c5b4fc3fc5a3f00724726328e4f8e1db6;hpb=4a71579b757d3a2eb6902c84391f429838ad4912;p=pcsx_rearmed.git

diff --git a/deps/lightning/lib/jit_size.c b/deps/lightning/lib/jit_size.c
index 61f1aa4c..143a5d9d 100644
--- a/deps/lightning/lib/jit_size.c
+++ b/deps/lightning/lib/jit_size.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019  Free Software Foundation, Inc.
+ * Copyright (C) 2013-2023  Free Software Foundation, Inc.
  *
  * This file is part of GNU lightning.
  *
@@ -28,7 +28,7 @@
  */
 static jit_int16_t	_szs[jit_code_last_code] = {
 #if GET_JIT_SIZE
-#  define JIT_INSTR_MAX		256
+#  define JIT_INSTR_MAX		1024
 #else
 #  if defined(__i386__) || defined(__x86_64__)
 #    include "jit_x86-sz.c"
@@ -52,6 +52,8 @@ static jit_int16_t	_szs[jit_code_last_code] = {
 #    include "jit_alpha-sz.c"
 #  elif defined(__riscv)
 #    include "jit_riscv-sz.c"
+#  elif defined(__loongarch__)
+#    include "jit_loongarch-sz.c"
 #  endif
 #endif
 };
@@ -101,11 +103,40 @@ _jit_get_size(jit_state_t *_jit)
 {
     jit_word_t		 size;
     jit_node_t		*node;
+#  if __riscv && __WORDSIZE == 64
+    jit_word_t		 extra = 0;
+#  endif
 
-    for (size = JIT_INSTR_MAX, node = _jitc->head; node; node = node->next)
-	size += _szs[node->code];
+    for (size = JIT_INSTR_MAX, node = _jitc->head; node; node = node->next) {
+#  if __riscv && __WORDSIZE == 64
+	/* Get estimative of extra memory for constants at end of code. */
+	switch (node->code) {
+	    case jit_code_movi:
+	    case jit_code_movi_f:
+	    case jit_code_movi_d:
+	    case jit_code_jmpi:
+	    case jit_code_calli:
+		extra += sizeof(jit_word_t);
+	    default:
+		break;
+	}
+#  endif
+	switch (node->code) {
+	    /* The instructions are special because they can be arbitrarily long.  */
+	    case jit_code_align:
+	    case jit_code_skip:
+	        size += node->u.w;
+	        break;
+	    default:
+	        size += _szs[node->code];
+	}
+    }
+#  if __riscv && __WORDSIZE == 64
+    /* Heuristically only 20% of constants are unique. */
+    size += extra / 5;
+#  endif
 
-    return ((size + 4095) & -4096);
+    return size;
 }
 #endif
 
@@ -120,7 +151,7 @@ jit_finish_size(void)
 {
 #if GET_JIT_SIZE
     FILE		*fp;
-    jit_word_t		 offset;
+    int			 offset;
 
     /* Define a single path */
     fp = fopen(JIT_SIZE_PATH, "a");