Openwrt/toolchain/gcc/patches/8.4.0/110-Fix-MIPS-PR-84790.patch
Hauke Mehrtens db70077668 toolchain: Update GCC 8 to version 8.4.0
The removed patch is included in GCC 8.4.0.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2020-03-18 23:55:51 +01:00

21 lines
684 B
Diff

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
@@ -3102,6 +3102,12 @@ 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)