devel: gcc: add support for GCC 13

[feed/packages.git] / devel / gcc / patches-13.x / 110-Fix-MIPS-PR-84790.patch

diff --git a/devel/gcc/patches-13.x/110-Fix-MIPS-PR-84790.patch b/devel/gcc/patches-13.x/110-Fix-MIPS-PR-84790.patch
new file mode 100644 (file)
index 0000000..856fd6a
--- /dev/null
+++ b/devel/gcc/patches-13.x/110-Fix-MIPS-PR-84790.patch
@@ -0,0 +1,20 @@
+Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84790.
+MIPS16 functions have a static assembler prologue which clobbers
+registers v0 and v1. Add these register clobbers to function call
+instructions.
+
+--- a/gcc/config/mips/mips.cc
++++ b/gcc/config/mips/mips.cc
+@@ -3134,6 +3134,12 @@ mips_emit_call_insn (rtx pattern, rtx or
+       emit_insn (gen_update_got_version ());
+     }
+ 
++  if (TARGET_MIPS16 && TARGET_USE_GOT)
++    {
++      clobber_reg (&CALL_INSN_FUNCTION_USAGE (insn), MIPS16_PIC_TEMP);
++      clobber_reg (&CALL_INSN_FUNCTION_USAGE (insn), MIPS_PROLOGUE_TEMP (word_mode));
++    }
++
+   if (TARGET_MIPS16
+       && TARGET_EXPLICIT_RELOCS
+       && TARGET_CALL_CLOBBERED_GP)