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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [testsuite/] [gcc.dg/] [torture/] [pr36066.c] - Rev 298
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/* { dg-do compile } */ /* { dg-options "-funsafe-loop-optimizations -ftree-vrp" } */ typedef int FLAC__int32; typedef int FLAC__bool; typedef struct { } FLAC__Subframe; typedef enum { FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT = 0, FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE = 1, FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE = 2, FLAC__CHANNEL_ASSIGNMENT_MID_SIDE = 3 } FLAC__ChannelAssignment; typedef struct { struct FLAC__StreamEncoderProtected *protected_; struct FLAC__StreamEncoderPrivate *private_; } FLAC__StreamEncoder; typedef struct FLAC__StreamEncoderProtected { FLAC__bool loose_mid_side_stereo; unsigned channels; unsigned blocksize; } FLAC__StreamEncoderProtected; typedef struct FLAC__StreamEncoderPrivate { FLAC__int32 *integer_signal[(8u)]; FLAC__Subframe subframe_workspace_mid_side[2][2]; unsigned best_subframe_mid_side[2]; unsigned loose_mid_side_stereo_frame_count; } FLAC__StreamEncoderPrivate; static void get_wasted_bits_(FLAC__int32 signal[], unsigned samples) { unsigned i; FLAC__int32 x = 0; for(i = 0; i < samples && !(x&1); i++) x |= signal[i]; } FLAC__Subframe * process_subframes_(FLAC__StreamEncoder *encoder, unsigned *bits) { unsigned channel; FLAC__Subframe *left_subframe = 0; FLAC__ChannelAssignment channel_assignment; for(channel = 0; channel < encoder->protected_->channels; channel++) get_wasted_bits_(encoder->private_->integer_signal[channel], encoder->protected_->blocksize); if(encoder->protected_->loose_mid_side_stereo && encoder->private_->loose_mid_side_stereo_frame_count > 0) channel_assignment = FLAC__CHANNEL_ASSIGNMENT_MID_SIDE; else { FLAC__ChannelAssignment ca = (FLAC__ChannelAssignment)1; unsigned min_bits = bits[0]; for(channel_assignment = (FLAC__ChannelAssignment)0; (int)ca <= 3; ca = (FLAC__ChannelAssignment)((int)ca + 1)) if(bits[ca] < min_bits) channel_assignment = ca; } switch(channel_assignment) { case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT: case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE: case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE: case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE: left_subframe = &encoder->private_->subframe_workspace_mid_side[0][encoder->private_->best_subframe_mid_side[0]]; } return left_subframe; }
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