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| author | Richard Henderson <rth@twiddle.net> | 2013-08-14 09:46:38 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2013-08-26 13:31:53 -0700 |
| commit | 2bb8656dadcaa521a9699ab2a2632b68da36c998 (patch) | |
| tree | 8ed7bb10606b8e2701492f29ea7b7f4431c4a0f1 | |
| parent | f7ad538e1ea130c8b6f3abb06ad6c856242c799e (diff) | |
| download | focaccia-qemu-2bb8656dadcaa521a9699ab2a2632b68da36c998.tar.gz focaccia-qemu-2bb8656dadcaa521a9699ab2a2632b68da36c998.zip | |
tcg: Tidy generated code for tcg_outN
Aliasing was forcing s->code_ptr to be re-read after the store. Keep the pointer in a local variable to help the compiler. Signed-off-by: Richard Henderson <rth@twiddle.net>
| -rw-r--r-- | tcg/tcg.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c index dac8224024..42c95af66d 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -121,14 +121,16 @@ static inline void tcg_out8(TCGContext *s, uint8_t v) static inline void tcg_out16(TCGContext *s, uint16_t v) { - *(uint16_t *)s->code_ptr = v; - s->code_ptr += 2; + uint8_t *p = s->code_ptr; + *(uint16_t *)p = v; + s->code_ptr = p + 2; } static inline void tcg_out32(TCGContext *s, uint32_t v) { - *(uint32_t *)s->code_ptr = v; - s->code_ptr += 4; + uint8_t *p = s->code_ptr; + *(uint32_t *)p = v; + s->code_ptr = p + 4; } /* label relocation processing */ |