toolchain: gcc: Update to version 10.3.0
[openwrt/staging/wigyori.git] / toolchain / gcc / patches / 10.3.0 / 110-Fix-MIPS-PR-84790.patch
diff --git a/toolchain/gcc/patches/10.3.0/110-Fix-MIPS-PR-84790.patch b/toolchain/gcc/patches/10.3.0/110-Fix-MIPS-PR-84790.patch
new file mode 100644 (file)
index 0000000..82ac013
--- /dev/null
@@ -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.c
++++ b/gcc/config/mips/mips.c
+@@ -3132,6 +3132,12 @@ 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)