diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/vartrack-1.c | 28 | ||||
| -rw-r--r-- | gcc/var-tracking.c | 5 |
4 files changed, 42 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3e394ae..b4743f6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-07-16 Tom de Vries <tdevries@suse.de> + + PR debug/86455 + * var-tracking.c (vt_initialize): Fix pre_dec handling. + 2018-07-16 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> * config/aarch64/atomics.md (aarch64_store_execlusive<mode>): Add diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index b943f23..cdbc0b8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-07-16 Tom de Vries <tdevries@suse.de> + + PR debug/86455 + * gcc.target/i386/vartrack-1.c: New test. + 2018-07-16 Eric Botcazou <ebotcazou@adacore.com> * gnat.dg/opt73.adb: New test. diff --git a/gcc/testsuite/gcc.target/i386/vartrack-1.c b/gcc/testsuite/gcc.target/i386/vartrack-1.c new file mode 100644 index 0000000..15514fc --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/vartrack-1.c @@ -0,0 +1,28 @@ +/* { dg-require-effective-target lp64 } */ +/* { dg-options "-O1 -g -fdump-rtl-vartrack-details-slim" } */ + +static volatile int vv = 1; + +extern long foo (long x); + +int +main () +{ + long x = vv; + foo (x); + foo (x + 1); + return 0; +} + +/* Before adjust_insn: + 26: [--sp:DI]=bx:DI + 29: bx:DI=[sp:DI++] + + after adjust_insn: + 26: {[argp:DI-0x10]=bx:DI;sp:DI=argp:DI-0x10;} + 29: {bx:DI=[argp:DI-0x10];sp:DI=argp:DI-0x8;} */ + +/* { dg-final { scan-rtl-dump-times {[0-9][0-9]*: \{\[argp:DI-0x10\]=bx:DI;sp:DI=argp:DI-0x10;\}} 1 "vartrack" } } */ + +/* { dg-final { scan-rtl-dump-times {[0-9][0-9]*: \{bx:DI=\[argp:DI-0x10\];sp:DI=argp:DI-0x8;\}} 1 "vartrack" } } */ + diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index 6c0460b..5537fa6 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -10209,12 +10209,15 @@ vt_initialize (void) log_op_type (PATTERN (insn), bb, insn, MO_ADJUST, dump_file); VTI (bb)->mos.safe_push (mo); - VTI (bb)->out.stack_adjust += pre; } } cselib_hook_called = false; adjust_insn (bb, insn); + + if (!frame_pointer_needed && pre) + VTI (bb)->out.stack_adjust += pre; + if (DEBUG_MARKER_INSN_P (insn)) { reemit_marker_as_note (insn); |