[PATCH] D26437: Use -fno-unit-at-a-time and -funit-at-a-time

Joerg Sonnenberger via llvm-commits llvm-commits at lists.llvm.org
Sun Nov 13 13:04:30 PST 2016


On Sun, Nov 13, 2016 at 06:51:39PM +0000, Mehdi AMINI via llvm-commits wrote:
> IIRC, it was a compatibility mode from the early days to be able to match what GCC was doing.

The very existance of -fno-unit-at-a-time is a workaround for very
broken assembler use. Ironically, it was needed for a long time by GCC's
own CSU. Frankly, I would call all code that depends on it buggy.

Joerg


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