From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- .../gcc/testsuite/gcc.c-torture/compile/pr44063.c | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr44063.c (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr44063.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr44063.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr44063.c new file mode 100644 index 000000000..596e1dc99 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr44063.c @@ -0,0 +1,38 @@ +typedef signed char int8_t; +typedef short int16_t; +typedef unsigned char uint8_t; +typedef unsigned int uint32_t; + +union unaligned_32 {uint32_t l;} __attribute__((packed)) __attribute__((may_alias)); +static inline uint32_t NEG_USR32(uint32_t a, int8_t s){return a << (32 - s);} +typedef struct GetBitContext { const uint8_t *buffer, *buffer_end; int index;}GetBitContext; +typedef struct VLC {int16_t (*table)[2];} VLC; +static __attribute__((always_inline)) inline int get_vlc2(GetBitContext *s, int16_t (*table)[2], int bits, int max_depth) { + unsigned int re_index= (s)->index; + int re_cache= 0; + { + int n, nb_bits; + unsigned int index; + index= NEG_USR32(re_cache, bits); + n = table[index][1]; + if(max_depth > 1 && n < 0){ + re_cache= bswap_32((((const union unaligned_32 *) (((const uint8_t *)(s)->buffer)+(re_index>>3)))->l)) << (re_index&0x07); + } + } +} +typedef struct HYuvContext{GetBitContext gb; int decorrelate; int bitstream_bpp; uint8_t *temp[3]; VLC vlc[6];} HYuvContext; +static __attribute__((always_inline)) inline void decode_bgr_1(HYuvContext *s, int count, int decorrelate, int alpha){ + int i; + int code = get_vlc2(&s->gb, s->vlc[3].table, 11, 1); + if(code != -1){ + s->temp[0][4*i+0] = get_vlc2(&s->gb, s->vlc[0].table, 11, 3); + s->temp[0][4*i+1] = get_vlc2(&s->gb, s->vlc[1].table, 11, 3); + s->temp[0][4*i+2] = get_vlc2(&s->gb, s->vlc[2].table, 11, 3); + } +} +void decode_bgr_bitstream(HYuvContext *s, int count){ + if(s->decorrelate){ + if(s->bitstream_bpp==24) decode_bgr_1(s, count, 1, 0); + else decode_bgr_1(s, count, 1, 1); + } +} -- cgit v1.2.3