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Get rid of strict aliasing warnings for ARMv6 spc_dsp.c. Just do load in asm block instead.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30396 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2011-08-31 11:19:16 +00:00
parent 5ed7439cc7
commit d089e10403
1 changed files with 4 additions and 3 deletions
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7
apps/codecs/libspc/spc_dsp.c
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@ -1338,17 +1338,18 @@ void DSP_run_( struct Spc_Dsp* this, long count, int32_t* out_buf )
int fb_0, fb_1;
/* Apply FIR */
fb_0 = *(uint32_t *)echo_ptr;
/* Keep last 8 samples */
asm volatile (
"ldr %[fb_0], [%[echo_p]] \r\n"
"add %[fir_p], %[t_fir_p], #4 \r\n"
"bic %[t_fir_p], %[fir_p], %[mask] \r\n"
"str %[fb_0], [%[fir_p], #-4] \r\n"
/* duplicate at +8 eliminates wrap checking below */
"str %[fb_0], [%[fir_p], #28] \r\n"
: [fir_p]"=&r"(fir_ptr), [t_fir_p]"+r"(this->fir_ptr)
: [fb_0]"r"(fb_0), [mask]"i"(~FIR_BUF_MASK));
: [fir_p]"=&r"(fir_ptr), [t_fir_p]"+r"(this->fir_ptr),
[fb_0]"=&r"(fb_0)
: [echo_p]"r"(echo_ptr), [mask]"i"(~FIR_BUF_MASK));
fir_coeff = (int32_t *)this->fir_coeff;