Hi Nick! This patch fixes a small warning in the msp430 backend (tested for --target=msp430-elf and --target=msp430-elfbare).
.../gcc/configure --prefix=... --enable-werror-always --enable-languages=all
--disable-gcov --disable-shared --disable-threads --target=msp430-elf
--without-headers
[...]
make V=1 all-gcc
[...]
/usr/lib/gcc-snapshot/bin/g++ -fno-PIE -c -g -O2 -DIN_GCC
-DCROSS_DIRECTORY_STRUCTURE -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common
-DHAVE_CONFIG_H -I. -I. -I../../gcc/gcc -I../../gcc/gcc/.
-I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include
-I../../gcc/gcc/../libcody -I../../gcc/gcc/../libdecnumber
-I../../gcc/gcc/../libdecnumber/dpd -I../libdecnumber
-I../../gcc/gcc/../libbacktrace -o msp430.o -MT msp430.o -MMD -MP -MF
./.deps/msp430.TPo ../../gcc/gcc/config/msp430/msp430.cc
../../gcc/gcc/config/msp430/msp430.cc: In function 'int
msp430_single_op_cost(rtx, bool, rtx)':
../../gcc/gcc/config/msp430/msp430.cc:1463:49: error: unused parameter
'outer_rtx' [-Werror=unused-parameter]
1463 | msp430_single_op_cost (rtx dst, bool speed, rtx outer_rtx)
| ~~~~^~~~~~~~~
cc1plus: all warnings being treated as errors
make[1]: *** [Makefile:2440: msp430.o] Error 1
make[1]: Leaving directory
'/var/lib/laminar/run/gcc-msp430-elf/1/toolchain-build/gcc'
make: *** [Makefile:4584: all-gcc] Error 2
2022-09-06 Jan-Benedict Glaw <jbg...@lug-owl.de>
gcc/ChangeLog:
* config/msp430/msp430.cc (msp430_single_op_cost): Mark unused argument.
diff --git a/gcc/config/msp430/msp430.cc b/gcc/config/msp430/msp430.cc
index 7a378ceac56..2909cabd3ff 100644
--- a/gcc/config/msp430/msp430.cc
+++ b/gcc/config/msp430/msp430.cc
@@ -1460,7 +1460,7 @@ msp430_get_inner_dest_code (rtx x)
/* Calculate the cost of an MSP430 single-operand instruction, for operand DST
within the RTX OUTER_RTX, optimizing for speed if SPEED is true. */
static int
-msp430_single_op_cost (rtx dst, bool speed, rtx outer_rtx)
+msp430_single_op_cost (rtx dst, bool speed, rtx outer_rtx ATTRIBUTE_UNUSED)
{
enum rtx_code dst_code = GET_CODE (dst);
const struct single_op_cost *cost_p;
Okay for HEAD?
Thanks,
Jan-Benedict
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