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| author | Jakub Jelinek <jakub@redhat.com> | 2018-03-06 10:23:36 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-03-06 10:23:36 +0100 |
| commit | 155958ddfeaf5b657357440bf3127243c61cc951 (patch) | |
| tree | 4201cc602172f62726bb625852f2daa36ccdb74e /gcc | |
| parent | 16ef0a8cb7c913a09bfe5487688d45d42dae26ac (diff) | |
| download | gcc-155958ddfeaf5b657357440bf3127243c61cc951.zip gcc-155958ddfeaf5b657357440bf3127243c61cc951.tar.gz gcc-155958ddfeaf5b657357440bf3127243c61cc951.tar.bz2 | |
re PR inline-asm/84683 (internal compiler error: in move_for_stack_reg, at reg-stack.c:1173)
PR inline-asm/84683
* reg-stack.c (move_for_stack_reg): If any_malformed_asm, avoid
assertion failure.
* g++.dg/ext/pr84683.C: New test.
From-SVN: r258273
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/reg-stack.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/ext/pr84683.C | 13 |
4 files changed, 22 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 09123ed..14cf229 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2018-03-06 Jakub Jelinek <jakub@redhat.com> + PR inline-asm/84683 + * reg-stack.c (move_for_stack_reg): If any_malformed_asm, avoid + assertion failure. + PR tree-optimization/84687 * omp-simd-clone.c (simd_clone_create): Clear DECL_BUILT_IN_CLASS on new_node->decl. diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 9474896..82feb5d 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1170,7 +1170,8 @@ move_for_stack_reg (rtx_insn *insn, stack_ptr regstack, rtx pat) && XINT (SET_SRC (XVECEXP (pat, 0, 1)), 1) == UNSPEC_TAN) emit_swap_insn (insn, regstack, dest); else - gcc_assert (get_hard_regnum (regstack, dest) < FIRST_STACK_REG); + gcc_assert (get_hard_regnum (regstack, dest) < FIRST_STACK_REG + || any_malformed_asm); gcc_assert (regstack->top < REG_STACK_SIZE); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2e50703..edce5a5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2018-03-06 Jakub Jelinek <jakub@redhat.com> + PR inline-asm/84683 + * g++.dg/ext/pr84683.C: New test. + PR tree-optimization/84687 * gcc.dg/pr84687.c: New test. diff --git a/gcc/testsuite/g++.dg/ext/pr84683.C b/gcc/testsuite/g++.dg/ext/pr84683.C new file mode 100644 index 0000000..3c66bcf --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/pr84683.C @@ -0,0 +1,13 @@ +// PR inline-asm/84683 +// { dg-do compile { target i?86-*-* x86_64-*-* } } +// { dg-options "-O2" } + +void +foo (float b, double c) +{ + for (int e = 0; e < 2; e++) + { + asm volatile ("" : "+f" (c)); // { dg-error "must specify a single register" } + asm ("" : "+rm" (c = b)); + } +} |