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| author | Alexandre Oliva <oliva@adacore.com> | 2021-12-08 23:37:15 -0300 |
|---|---|---|
| committer | Alexandre Oliva <oliva@gnu.org> | 2021-12-08 23:37:15 -0300 |
| commit | af93386ffc18ca6c7d1949751ff97cc6ce092b2c (patch) | |
| tree | a1fd06c35251dd11712a91dbcb4961dfe46af283 /gcc/reg-stack.c | |
| parent | 50e8b0c9bca6cdc57804f860ec5311b641753fbb (diff) | |
| download | gcc-af93386ffc18ca6c7d1949751ff97cc6ce092b2c.zip gcc-af93386ffc18ca6c7d1949751ff97cc6ce092b2c.tar.gz gcc-af93386ffc18ca6c7d1949751ff97cc6ce092b2c.tar.bz2 | |
[PR103097] tolerate reg-stack cross-block malformed asms
The testcase shows malformed asms in one block confuse reg-stack logic
in another block. Moving the resetting of any_malformed_asm to the
end of the pass enables it to take effect throughout the affected
function.
for gcc/ChangeLog
PR target/103097
* reg-stack.c (convert_regs_1): Move any_malformed_asm
resetting...
(reg_to_stack): ... here.
for gcc/testsuite/ChangeLog
PR target/103097
* gcc.target/i386/pr103097.c: New.
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 1d9ea03..cc369f0 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -453,7 +453,7 @@ get_true_reg (rtx *pat) } } -/* Set if we find any malformed asms in a block. */ +/* Set if we find any malformed asms in a function. */ static bool any_malformed_asm; /* There are many rules that an asm statement for stack-like regs must @@ -3014,8 +3014,6 @@ convert_regs_1 (basic_block block) bool cfg_altered = false; int debug_insns_with_starting_stack = 0; - any_malformed_asm = false; - /* Choose an initial stack layout, if one hasn't already been chosen. */ if (bi->stack_in.top == -2) { @@ -3385,6 +3383,7 @@ reg_to_stack (void) 0, sizeof (char) * (max_uid + 1)); convert_regs (); + any_malformed_asm = false; free_aux_for_blocks (); return true; |