https://gcc.gnu.org/r250301
https://gcc.gnu.org/r250302
Removed usage of INT8_MIN and friends as they are not available
in older C++ which leads to build failure.
Applied to trunk and v7 branch.
Johann
gcc/
Backport from 2017-07-18 trunk r250301.
PR target/81473
* config/avr/avr.c (avr_optimize_casesi): Don't use
INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
Index: config/avr/avr.c
===================================================================
--- config/avr/avr.c (revision 250258)
+++ config/avr/avr.c (working copy)
@@ -553,9 +553,9 @@ avr_optimize_casesi (rtx_insn *insns[6],
HOST_WIDE_INT hig_idx = low_idx + num_idx;
// Maximum ranges of (un)signed QImode resp. HImode.
- int imin = QImode == mode ? INT8_MIN : INT16_MIN;
- int imax = QImode == mode ? INT8_MAX : INT16_MAX;
- unsigned umax = QImode == mode ? UINT8_MAX : UINT16_MAX;
+ unsigned umax = QImode == mode ? 0xff : 0xffff;
+ int imax = QImode == mode ? 0x7f : 0x7fff;
+ int imin = -imax - 1;
// Testing the case range and whether it fits into the range of the
// (un)signed mode. This test should actually always pass because it