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Relax constraints for arm asm to not break when gcc decides to not inline the function but also throw in a FORCE_INLINE for good measure. Remove a redundant 'inline'.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30103 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2011-06-30 08:22:56 +00:00
parent ed0f1aec5d
commit 4a04c47a97
1 changed files with 3 additions and 3 deletions
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6
apps/fracmul.h
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@ -37,7 +37,7 @@ static inline int32_t FRACMUL(int32_t x, int32_t y)
* bits after a shift left by the constant z. NOTE: Only works for shifts of * bits after a shift left by the constant z. NOTE: Only works for shifts of
* 1 to 8 on Coldfire! * 1 to 8 on Coldfire!
*/ */
static inline FORCE_INLINE int32_t FRACMUL_SHL(int32_t x, int32_t y, int z) static FORCE_INLINE int32_t FRACMUL_SHL(int32_t x, int32_t y, int z)
{ {
int32_t t, t2; int32_t t, t2;
asm ("mac.l %[a], %[b], %%acc0\n\t" asm ("mac.l %[a], %[b], %%acc0\n\t"
@ -73,7 +73,7 @@ static inline int32_t FRACMUL(int32_t x, int32_t y)
/* Multiply two S.31 fractional integers, and return the 32 most significant /* Multiply two S.31 fractional integers, and return the 32 most significant
* bits after a shift left by the constant z. * bits after a shift left by the constant z.
*/ */
static inline int32_t FRACMUL_SHL(int32_t x, int32_t y, int z) static FORCE_INLINE int32_t FRACMUL_SHL(int32_t x, int32_t y, int z)
{ {
int32_t t, t2; int32_t t, t2;
asm ("smull %[t], %[t2], %[a], %[b]\n\t" asm ("smull %[t], %[t2], %[a], %[b]\n\t"
@ -81,7 +81,7 @@ static inline int32_t FRACMUL_SHL(int32_t x, int32_t y, int z)
"orr %[t], %[t2], %[t], lsr %[d]\n\t" "orr %[t], %[t2], %[t], lsr %[d]\n\t"
: [t] "=&r" (t), [t2] "=&r" (t2) : [t] "=&r" (t), [t2] "=&r" (t2)
: [a] "r" (x), [b] "r" (y), : [a] "r" (x), [b] "r" (y),
[c] "M" ((z) + 1), [d] "M" (31 - (z))); [c] "Mr" ((z) + 1), [d] "Mr" (31 - (z)));
return t; return t;
} }