diff options
Diffstat (limited to 'package/gcc/4.8-arc/fix_branch_out_of_range.patch')
| -rw-r--r-- | package/gcc/4.8-arc/fix_branch_out_of_range.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/package/gcc/4.8-arc/fix_branch_out_of_range.patch b/package/gcc/4.8-arc/fix_branch_out_of_range.patch new file mode 100644 index 0000000000..5340a3b691 --- /dev/null +++ b/package/gcc/4.8-arc/fix_branch_out_of_range.patch @@ -0,0 +1,30 @@ +arc: Fix operand-out-of-range errors + +brcc_s instructions can generate operand-out-of-range errors. While a +better solution is being discussed by the compiler team, this workaround +ensures that the chances of running into this issue are low. + +Signed-off-by: Mischa Jonker <mjonker@synopsys.com> + +diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c +index ff602c0..b3ca4c4 100644 +--- a/gcc/config/arc/arc.c ++++ b/gcc/config/arc/arc.c +@@ -6565,7 +6565,7 @@ estimate required size increase). + rtx *ccp = &XEXP (XVECEXP (pat, 0, 1), 0); + + offset = branch_dest (insn) - INSN_ADDRESSES (INSN_UID (insn)); +- if ((offset >= -140 && offset < 140) ++ if ((offset >= -120 && offset < 120) + && rtx_equal_p (XEXP (op, 1), const0_rtx) + && compact_register_operand (XEXP (op, 0), VOIDmode) + && equality_comparison_operator (op, VOIDmode)) +@@ -6687,7 +6687,7 @@ estimate required size increase). + + if (op0 != cmp0) + cc_clob_rtx = gen_rtx_REG (CC_ZNmode, CC_REG); +- else if ((offset >= -140 && offset < 140) ++ else if ((offset >= -120 && offset < 120) + && rtx_equal_p (op1, const0_rtx) + && compact_register_operand (op0, VOIDmode) + && (GET_CODE (op) == EQ |
