MSP430: Read MCU data from external file

gcc/ChangeLog:

2019-08-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* config/msp430/driver-msp430.c (msp430_set_driver_var): New.
	* config/msp430/msp430-devices.c (canonicalize_path_dirsep): New.
	(msp430_check_path_for_devices): New.
	(parse_devices_csv_1): New.
	(parse_devices_csv): New.
	(msp430_extract_mcu_data): Try to find devices.csv and search for the
	MCU data in devices.csv before using the hard-coded data.
	Warn if devices.csv isn't found and the MCU wasn't found in the
	hard-coded data either.
	* config/msp430/msp430.h (DRIVER_SELF_SPECS): Call
	msp430_set_driver_var for -mno-warn-devices-csv and -mdevices-csv-loc.
	Search for devices.csv on -I and -L paths.
	(EXTRA_SPEC_FUNCTIONS): Add msp430_check_path_for_devices and
	msp430_set_driver_var.
	* config/msp430/msp430.opt: Add -mwarn-devices-csv and
	-mdevices-csv-loc=.
	* doc/invoke.texi (-mmcu): Document that -I and -L paths are
	searched for devices.csv.
	(mwarn-devices-csv): Document option.

gcc/testsuite/ChangeLog:

2019-08-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* gcc.target/msp430/msp430.exp (msp430_device_permutations_runtest):
	Handle csv-* and bad-devices-* tests.
	* gcc.target/msp430/devices/README: Document how bad-devices-* tests
	work.
	* gcc.target/msp430/devices/bad-devices-1.c: New test.
	* gcc.target/msp430/devices/bad-devices-2.c: Likewise.
	* gcc.target/msp430/devices/bad-devices-3.c: Likewise.
	* gcc.target/msp430/devices/bad-devices-4.c: Likewise.
	* gcc.target/msp430/devices/bad-devices-5.c: Likewise.
	* gcc.target/msp430/devices/bad-devices-6.c: Likewise.
	* gcc.target/msp430/devices/csv-device-order.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_00.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_01.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_02.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_04.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_08.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_10.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_11.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_12.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_14.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_18.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_20.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_21.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_22.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_24.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430_28.c: Likewise.
	* gcc.target/msp430/devices/csv-msp430fr5969.c: Likewise.
	* gcc.target/msp430/devices/hard-foo.c: Likewise.
	* gcc.target/msp430/devices/bad-devices-1.csv: New test support file.
	* gcc.target/msp430/devices/bad-devices-2.csv: Likewise.
	* gcc.target/msp430/devices/bad-devices-3.csv: Likewise.
	* gcc.target/msp430/devices/bad-devices-4.csv: Likewise.
	* gcc.target/msp430/devices/bad-devices-5.csv: Likewise.
	* gcc.target/msp430/devices/bad-devices-6.csv: Likewise.
	* gcc.target/msp430/devices/devices.csv: Likewise.

From-SVN: r274373

gcc/ChangeLog

+2019-08-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
+
+	* config/msp430/driver-msp430.c (msp430_set_driver_var): New.
+	* config/msp430/msp430-devices.c (canonicalize_path_dirsep): New.
+	(msp430_check_path_for_devices): New.
+	(parse_devices_csv_1): New.
+	(parse_devices_csv): New.
+	(msp430_extract_mcu_data): Try to find devices.csv and search for the
+	MCU data in devices.csv before using the hard-coded data.
+	Warn if devices.csv isn't found and the MCU wasn't found in the
+	hard-coded data either.
+	* config/msp430/msp430.h (DRIVER_SELF_SPECS): Call
+	msp430_set_driver_var for -mno-warn-devices-csv and -mdevices-csv-loc.
+	Search for devices.csv on -I and -L paths.
+	(EXTRA_SPEC_FUNCTIONS): Add msp430_check_path_for_devices and
+	msp430_set_driver_var.
+	* config/msp430/msp430.opt: Add -mwarn-devices-csv and
+	-mdevices-csv-loc=.
+	* doc/invoke.texi (-mmcu): Document that -I and -L paths are
+	searched for devices.csv.
+	(mwarn-devices-csv): Document option.
+
 2019-08-13  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* config/aarch64/aarch64-protos.h (aarch64_output_ptrue): Delete.
@@ -25,26 +47,26 @@
 
 2019-08-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 
-	* gcc/config.gcc (msp430*-*-*): Add msp430-devices.o to extra_objs and
+	* config.gcc (msp430*-*-*): Add msp430-devices.o to extra_objs and
 	extra_gcc_objs.
-	* gcc/config/msp430/driver-msp430.c: Remove msp430_mcu_data.
+	* config/msp430/driver-msp430.c: Remove msp430_mcu_data.
 	(msp430_select_cpu): New spec function.
 	(msp430_select_hwmult_lib): Use msp430_extract_mcu_data to extract
 	MCU data.
-	* gcc/config/msp430/msp430-devices.c: New file.
-	* gcc/config/msp430/msp430-devices.h: New file.
-	* gcc/config/msp430/msp430.c: Remove msp430_mcu_data.
+	* config/msp430/msp430-devices.c: New file.
+	* config/msp430/msp430-devices.h: New file.
+	* config/msp430/msp430.c: Remove msp430_mcu_data.
 	(msp430_option_override): Use msp430_extract_mcu_data to extract
 	MCU data.
 	(msp430_use_f5_series_hwmult): Likewise.
 	(use_32bit_hwmult): Likewise.
 	(msp430_no_hwmult): Likewise.
-	* gcc/config/msp430/msp430.h (ASM_SPEC): Don't pass -mmcu to the
+	* config/msp430/msp430.h (ASM_SPEC): Don't pass -mmcu to the
 	assembler.
 	(DRIVER_SELF_SPECS): Call msp430_select_cpu if -mmcu is used without
 	and -mcpu option.
 	(EXTRA_SPEC_FUNCTIONS): Add msp430_select_cpu.
-	* gcc/config/msp430/t-msp430: Add rule to build msp430-devices.o.
+	* config/msp430/t-msp430: Add rule to build msp430-devices.o.
 	Remove hard-coded MCU multilib data.
 
 2019-08-13  Richard Sandiford  <richard.sandiford@arm.com>

gcc/config/msp430/driver-msp430.c

@@ -54,6 +54,29 @@ msp430_select_cpu (int argc, const char ** argv)
   return NULL;
 }
 
+/* Spec function to set a global variable to a specific value in the driver.
+   The first argument is the variable name, and the second is the value to set
+   it to.
+   Currently only "msp430_warn_devices_csv" and "msp430_devices_csv_loc" are
+   supported.
+   The intention is that we can take a "Target" option and set the variable
+   associated with it in the driver as well.  Whilst the driver sees "Target"
+   options, it does not set the variables associated with that option.  */
+const char *
+msp430_set_driver_var (int argc, const char ** argv)
+{
+  if (argc != 2)
+    error ("%<msp430_set_driver_var%> expects 2 arguments");
+  else if (strcmp (argv[0], "msp430_warn_devices_csv") == 0)
+    msp430_warn_devices_csv = atoi (argv[1]);
+  else if (strcmp (argv[0], "msp430_devices_csv_loc") == 0)
+    msp430_devices_csv_loc = argv[1];
+  else
+    error ("unhandled arguments %qs and %qs to %<msp430_set_driver_var%>",
+	   argv[0], argv[1]);
+  return NULL;
+}
+
 /* Implement spec function `msp430_hwmult_lib´.  */
 
 const char *

gcc/config/msp430/msp430.h

@@ -75,14 +75,22 @@ extern bool msp430x;
     "%e-mcode-region requires the large memory model (-mlarge)}}"	\
   " %{!mlarge:%{mdata-region=*:"	\
     "%e-mdata-region requires the large memory model (-mlarge)}}"	\
+  " %{mno-warn-devices-csv:%:msp430_set_driver_var(msp430_warn_devices_csv 0)}"\
+  " %{mdevices-csv-loc=*:%:msp430_set_driver_var(msp430_devices_csv_loc %*)}"\
+  " %{I*:%:msp430_check_path_for_devices(%{I*:%*})}"       \
+  " %{L*:%:msp430_check_path_for_devices(%{L*:%*})}"       \
   " %{!mcpu=*:%{mmcu=*:%:msp430_select_cpu(%{mmcu=*:%*})}}"
 
 extern const char * msp430_select_hwmult_lib (int, const char **);
 extern const char * msp430_select_cpu (int, const char **);
+extern const char * msp430_set_driver_var (int, const char **);
+extern const char * msp430_check_path_for_devices (int, const char **);
 
 # define EXTRA_SPEC_FUNCTIONS				\
   { "msp430_hwmult_lib", msp430_select_hwmult_lib },	\
-  { "msp430_select_cpu", msp430_select_cpu },
+  { "msp430_select_cpu", msp430_select_cpu },		\
+  { "msp430_set_driver_var", msp430_set_driver_var },		\
+  { "msp430_check_path_for_devices", msp430_check_path_for_devices },
 
 /* Specify the libraries to include on the linker command line.
 

gcc/config/msp430/msp430.opt

@@ -14,6 +14,10 @@ mwarn-mcu
 Target Report Var(msp430_warn_mcu) Init(1)
 Warn if an MCU name is unrecognized or conflicts with other options (default: on).
 
+mwarn-devices-csv
+Target Report Var(msp430_warn_devices_csv) Init(1)
+Warn if devices.csv is not found or there are problem parsing it (default: on).
+
 mcpu=
 Target Report Joined RejectNegative Var(target_cpu)
 Specify the ISA to build for: msp430, msp430x, msp430xv2.
@@ -92,3 +96,8 @@ Passes on a request to the assembler to enable fixes for various silicon errata.
 msilicon-errata-warn=
 Target Joined RejectNegative Report ToLower
 Passes on a request to the assembler to warn about various silicon errata.
+
+mdevices-csv-loc=
+Target Joined Var(msp430_devices_csv_loc) RejectNegative Report
+The path to devices.csv.  The GCC driver can normally locate devices.csv itself
+and pass this option to the compiler, so the user shouldn't need to pass this.

gcc/doc/invoke.texi

@@ -23044,7 +23044,12 @@ command line.  The script's name is the name of the MCU with
 command line defines the C preprocessor symbol @code{__XXX__} and
 cause the linker to search for a script called @file{xxx.ld}.
 
-This option is also passed on to the assembler.
+The ISA and hardware multiply supported for the different MCUs is hard-coded
+into GCC.  However, an external @samp{devices.csv} file can be used to
+extend device support beyond those that have been hard-coded.
+
+GCC searches for the @samp{devices.csv} file on the paths specified
+with the @code{-I} and @code{-L} options.
 
 @item -mwarn-mcu
 @itemx -mno-warn-mcu
@@ -23133,6 +23138,13 @@ the named silicon errata.
 This option passes on a request to the assembler to enable warning
 messages when a silicon errata might need to be applied.
 
+@item -mwarn-devices-csv
+@itemx -mno-warn-devices-csv
+@opindex mwarn-devices-csv
+@opindex mno-warn-devices-csv
+Warn if @samp{devices.csv} is not found or there are problem parsing it
+(default: on).
+
 @end table
 
 @node NDS32 Options

gcc/testsuite/ChangeLog

 2019-08-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 
+	* gcc.target/msp430/msp430.exp (msp430_device_permutations_runtest):
+	Handle csv-* and bad-devices-* tests.
+	* gcc.target/msp430/devices/README: Document how bad-devices-* tests
+	work.
+	* gcc.target/msp430/devices/bad-devices-1.c: New test.
+	* gcc.target/msp430/devices/bad-devices-2.c: Likewise.
+	* gcc.target/msp430/devices/bad-devices-3.c: Likewise.
+	* gcc.target/msp430/devices/bad-devices-4.c: Likewise.
+	* gcc.target/msp430/devices/bad-devices-5.c: Likewise.
+	* gcc.target/msp430/devices/bad-devices-6.c: Likewise.
+	* gcc.target/msp430/devices/csv-device-order.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_00.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_01.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_02.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_04.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_08.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_10.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_11.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_12.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_14.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_18.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_20.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_21.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_22.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_24.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430_28.c: Likewise.
+	* gcc.target/msp430/devices/csv-msp430fr5969.c: Likewise.
+	* gcc.target/msp430/devices/hard-foo.c: Likewise.
+	* gcc.target/msp430/devices/bad-devices-1.csv: New test support file.
+	* gcc.target/msp430/devices/bad-devices-2.csv: Likewise.
+	* gcc.target/msp430/devices/bad-devices-3.csv: Likewise.
+	* gcc.target/msp430/devices/bad-devices-4.csv: Likewise.
+	* gcc.target/msp430/devices/bad-devices-5.csv: Likewise.
+	* gcc.target/msp430/devices/bad-devices-6.csv: Likewise.
+	* gcc.target/msp430/devices/devices.csv: Likewise.
+
+2019-08-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
+
 	* gcc.target/msp430/msp430.exp
 	(check_effective_target_msp430_430_selected): New.
 	(check_effective_target_msp430_430x_selected): New.

gcc/testsuite/gcc.target/msp430/devices/README

@@ -10,3 +10,8 @@ The criteria for this torture style of testing is:
 
 Some of the options used to run the tests will produce warnings/errors for the
 mcus, so ensure the test has dg-warning and dg-error directives as appropriate.
+
+The "bad-device-*.c" tests expect a corresponding "bad-devices-*.csv", which
+msp430.exp will pass as the argument to -mdevices-csv-loc=.  These tests are for
+checking the warnings in msp430-devices.c about a corrupted devices.csv work as
+expected.

gcc/testsuite/gcc.target/msp430/devices/bad-devices-1.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_00 -mno-warn-mcu" } */
+/* { dg-warning "'CPU_TYPE' column heading is missing from 'devices.csv'" "" { target *-*-* } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/bad-devices-1.csv

+# Test warning for missing CPU_TYPE heading
+# Device Name,FOO,MPY_TYPE
+msp430_00,0,0

gcc/testsuite/gcc.target/msp430/devices/bad-devices-2.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_00 -mno-warn-mcu" } */
+/* { dg-warning "'MPY_TYPE' column heading is missing from 'devices.csv'" "" { target *-*-* } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/bad-devices-2.csv

+# Test warning for missing MPY_TYPE heading
+# Device Name,CPU_TYPE,FOO
+msp430_00,0,0

gcc/testsuite/gcc.target/msp430/devices/bad-devices-3.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_00 -mno-warn-mcu" } */
+/* { dg-warning "'CPU_TYPE' and 'MPY_TYPE' column headings are missing from 'devices.csv'" "" { target *-*-* } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/bad-devices-3.csv

+# Test warning for missing CPU_TYPE and MPY_TYPE headings
+# Device Name,FOO,BAR
+msp430_00,0,0

gcc/testsuite/gcc.target/msp430/devices/bad-devices-4.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_00 -mno-warn-mcu" } */
+/* { dg-warning "format of column headings in 'devices.csv' is incorrect" "" { target *-*-* } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/bad-devices-4.csv

+# Test incorrectly formatted column headings
+# DeviceName,CPU_TYPE,MPY_TYPE
+msp430_00,0,0

gcc/testsuite/gcc.target/msp430/devices/bad-devices-5.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_00 -mno-warn-mcu" } */
+/* { dg-warning "invalid 'CPU_TYPE' value of '5' read from 'devices.csv' for 'msp430_00'" "" { target *-*-* } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/bad-devices-5.csv

+# Test bad CPU_TYPE value
+# Device Name,CPU_TYPE,MPY_TYPE
+msp430_00,5,0

gcc/testsuite/gcc.target/msp430/devices/bad-devices-6.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_00 -mno-warn-mcu" } */
+/* { dg-warning "invalid 'MPY_TYPE' value of '3' read from 'devices.csv' for 'msp430_00'" "" { target *-*-* } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/bad-devices-6.csv

+# Test bad MPY_TYPE value
+# Device Name,CPU_TYPE,MPY_TYPE
+msp430_00,0,3

gcc/testsuite/gcc.target/msp430/devices/csv-device-order.c

+/* { dg-do compile } */
+/* { dg-skip-if "MCU supports 430 ISA only" { *-*-* } { "-mlarge" "-mcpu=msp430x*" } { "" } } */
+/* { dg-additional-options "-mmcu=msp430f012 -mcpu=msp430 -mhwmult=16bit" } */
+
+/* Test that MCU names in devices.csv are only chosen if the full device name
+   is matched exactly.
+   msp430f0123 (with 430X ISA and f5series hwmult) appears before msp430f012 in
+   devices.csv, but should not be matched.
+   Errors and warnings will be emitted if msp430f0123 is wrongly matched.  */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_00.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_00" } */
+/* { dg-warning "does not have hardware multiply" "" { target msp430_hwmul_not_none } 0 } */
+/* { dg-warning "supports 430 ISA but" "" { target msp430_430x_selected } 0 } */
+/* { dg-error "'-mlarge' requires a 430X-compatible '-mmcu='" "" { target msp430_mlarge_selected } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_01.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_01" } */
+/* { dg-warning "supports 16-bit hardware multiply" "" { target msp430_hwmul_not_16bit } 0 } */
+/* { dg-warning "supports 430 ISA but" "" { target msp430_430x_selected } 0 } */
+/* { dg-error "'-mlarge' requires a 430X-compatible '-mmcu='" "" { target msp430_mlarge_selected } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_02.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_02" } */
+/* { dg-warning "supports 16-bit hardware multiply" "" { target msp430_hwmul_not_16bit } 0 } */
+/* { dg-warning "supports 430 ISA but" "" { target msp430_430x_selected } 0 } */
+/* { dg-error "'-mlarge' requires a 430X-compatible '-mmcu='" "" { target msp430_mlarge_selected } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_04.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_04" } */
+/* { dg-warning "supports 32-bit hardware multiply" "" { target msp430_hwmul_not_32bit } 0 } */
+/* { dg-warning "supports 430 ISA but" "" { target msp430_430x_selected } 0 } */
+/* { dg-error "'-mlarge' requires a 430X-compatible '-mmcu='" "" { target msp430_mlarge_selected } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_08.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_08" } */
+/* { dg-warning "supports 32-bit .5xx. hardware multiply" "" { target msp430_hwmul_not_f5 } 0 } */
+/* { dg-warning "supports 430 ISA but" "" { target msp430_430x_selected } 0 } */
+/* { dg-error "'-mlarge' requires a 430X-compatible '-mmcu='" "" { target msp430_mlarge_selected } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_10.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_10" } */
+/* { dg-warning "does not have hardware multiply" "" { target msp430_hwmul_not_none } 0 } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_11.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_11" } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+/* { dg-warning "supports 16-bit hardware multiply" "" { target msp430_hwmul_not_16bit } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_12.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_12" } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+/* { dg-warning "supports 16-bit hardware multiply" "" { target msp430_hwmul_not_16bit } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_14.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_14" } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+/* { dg-warning "supports 32-bit hardware multiply" "" { target msp430_hwmul_not_32bit } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_18.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_18" } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+/* { dg-warning "supports 32-bit .5xx. hardware multiply" "" { target msp430_hwmul_not_f5 } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_20.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_20" } */
+/* { dg-warning "does not have hardware multiply" "" { target msp430_hwmul_not_none } 0 } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_21.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_21" } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+/* { dg-warning "supports 16-bit hardware multiply" "" { target msp430_hwmul_not_16bit } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_22.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_22" } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+/* { dg-warning "supports 16-bit hardware multiply" "" { target msp430_hwmul_not_16bit } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_24.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_24" } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+/* { dg-warning "supports 32-bit hardware multiply" "" { target msp430_hwmul_not_32bit } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430_28.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430_28" } */
+/* { dg-warning "supports 430X ISA but '-mcpu' option is set to 430" "" { target msp430_430_selected } 0 } */
+/* { dg-warning "supports 32-bit .5xx. hardware multiply" "" { target msp430_hwmul_not_f5 } 0 } */
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/csv-msp430fr5969.c

+/* { dg-do compile } */
+/* { dg-additional-options "-mmcu=msp430fr5969" } */
+/* MSP430FR5969 has msp430x ISA and f5series hwmult in the hard-coded data,
+   check that the different values for this device in devices.csv override it.
+   */
+/* { dg-warning "does not have hardware multiply" "" { target msp430_hwmul_not_none } 0 } */
+/* { dg-warning "supports 430 ISA but" "" { target msp430_430x_selected } 0 } */
+/* { dg-error "'-mlarge' requires a 430X-compatible '-mmcu='" "" { target msp430_mlarge_selected } 0 } */
+
+
+#include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/devices/devices.csv

+# Text before "#Device Name" is ignored.
+# We add arbitrary/empty fields in some records after the MPY_TYPE column to get
+# more varied testing.
+# Device Name,CPU_TYPE,MPY_TYPE
+msp430_00,0,0
+msp430_01,0,1,
+msp430_02,0,2,1
+msp430_04,0,4
+msp430_08,0,8,
+msp430_10,1,0,0,
+msp430_11,1,1
+msp430_12,1,2
+msp430_14,1,4,,
+msp430_18,1,8
+msp430_20,2,0
+msp430_21,2,1,4,
+msp430_22,2,2
+msp430_24,2,4
+msp430_28,2,8,100,
+msp430fr5969,0,0
+msp430f0123,2,8
+msp430f012,0,1

gcc/testsuite/gcc.target/msp430/devices/hard-foo.c

 /* { dg-do compile } */
 /* { dg-options "-mmcu=msp430foo" } */
+/* { dg-warning "could not locate MCU data file 'devices.csv'" "" { target *-*-* } 0 } */
 /* { dg-warning "Unrecognized MCU name 'msp430foo'.*\n.*Use the" "" { target *-*-* } 0 } */
 
 #include "../devices-main.c"

gcc/testsuite/gcc.target/msp430/msp430.exp

@@ -94,7 +94,21 @@ proc msp430_device_permutations_runtest { tests } {
 	    continue
 	}
 	foreach { mcu_flags } [msp430_get_opts $test_file] {
-	    dg-runtest $test_file "$mcu_flags" "$MSP430_DEFAULT_CFLAGS"
+	    if { [string match "csv-*" [file tail $test_file]] } {
+		# Specify the path to devices.csv for devices/csv-* tests with -I.
+		# Note that the csv-* tests do not have dg-options directives,
+		# they only have dg-additional-options to pass -mmcu.  This is
+		# so we can set the path to devices.csv as a "default" flag
+		# with -I, and the path won't show up in the test results
+		# summary.  If there were dg-options directives, then these
+		# default flags passed as the 3rd argument to dg-runtest would
+		# not be used.
+		dg-runtest $test_file "$mcu_flags" "-I[file dirname $test_file] $MSP430_DEFAULT_CFLAGS"
+	    } elseif { [string match "bad-devices*" [file tail $test_file]] } {
+		dg-runtest $test_file "$mcu_flags" "-mdevices-csv-loc=[file dirname $test_file]/[file tail $test_file]sv $MSP430_DEFAULT_CFLAGS"
+	    } else {
+		dg-runtest $test_file "$mcu_flags" "$MSP430_DEFAULT_CFLAGS"
+	    }
 	}
     }
 }