X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=deps%2Flightning%2Flib%2Fjit_size.c;h=dcfa0b0ec23b883cce5e31fc5ffb2938275b9912;hb=13b02197fcb7575646408094d5583ed7391b1153;hp=3a78394d5ad5f7957176a59b9b1bfd7201baf0a4;hpb=b94eaa6f648b1c3a8a2f292fb2324f28bb46590b;p=pcsx_rearmed.git

diff --git a/deps/lightning/lib/jit_size.c b/deps/lightning/lib/jit_size.c
index 3a78394d..dcfa0b0e 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) 2013-2022  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		512
 #else
 #  if defined(__i386__) || defined(__x86_64__)
 #    include "jit_x86-sz.c"
@@ -101,9 +101,30 @@ _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)
+    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
 	size += _szs[node->code];
+    }
+#  if __riscv && __WORDSIZE == 64
+    /* Heuristically only 20% of constants are unique. */
+    size += extra / 5;
+#  endif
 
     return size;
 }