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| author | John David Anglin <danglin@gcc.gnu.org> | 2015-09-14 12:05:58 +0000 |
|---|---|---|
| committer | John David Anglin <danglin@gcc.gnu.org> | 2015-09-14 12:05:58 +0000 |
| commit | 641f1ab4ed20677f2c9515bb039d8263a463576f (patch) | |
| tree | 398a783cdb04633f54a688b0b925ce64ca5f3e06 /gcc/optabs.c | |
| parent | aa9f4b4c73b8ed63936ba1d932605fafff70cc41 (diff) | |
| download | gcc-641f1ab4ed20677f2c9515bb039d8263a463576f.zip gcc-641f1ab4ed20677f2c9515bb039d8263a463576f.tar.gz gcc-641f1ab4ed20677f2c9515bb039d8263a463576f.tar.bz2 | |
re PR middle-end/67401 (Incorrect expand of __atomic_compare_exchange_8 using __sync_val_compare_and_swap_8)
PR middle-end/67401
* optabs.c (expand_atomic_compare_and_swap): Move result of emitting
sync_compare_and_swap_optab libcall to target_oval.
From-SVN: r227746
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index 79c6f06..c2a9b1c 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -7521,9 +7521,10 @@ expand_atomic_compare_and_swap (rtx *ptarget_bool, rtx *ptarget_oval, if (libfunc != NULL) { rtx addr = convert_memory_address (ptr_mode, XEXP (mem, 0)); - target_oval = emit_library_call_value (libfunc, NULL_RTX, LCT_NORMAL, - mode, 3, addr, ptr_mode, - expected, mode, desired, mode); + rtx target = emit_library_call_value (libfunc, NULL_RTX, LCT_NORMAL, + mode, 3, addr, ptr_mode, + expected, mode, desired, mode); + emit_move_insn (target_oval, target); /* Compute the boolean return value only if requested. */ if (ptarget_bool) |