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dsplle - cleaning

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5636 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Marko Pusljar
2010-06-08 18:46:02 +00:00
parent 79b20494be
commit dacd557f57
7 changed files with 14 additions and 20 deletions
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12
Source/Core/DSPCore/Src/DspIntMultiplier.cpp
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@ -33,11 +33,11 @@ inline s64 dsp_get_multiply_prod(u16 a, u16 b, u8 sign)
s64 prod;
if ((sign == 1) && (g_dsp.r[DSP_REG_SR] & SR_MUL_UNSIGNED)) //unsigned
prod = (u64)a * (u64)b;
prod = a * b;
else if ((sign == 2) && (g_dsp.r[DSP_REG_SR] & SR_MUL_UNSIGNED)) //mixed
prod = (u64)a * (s64)(s16)b;
prod = a * (s16)b;
else
prod = (s64)(s16)a * (s64)(s16)b; //signed
prod = (s16)a * (s16)b; //signed
// Conditionally multiply by 2.
if ((g_dsp.r[DSP_REG_SR] & SR_MUL_MODIFY) == 0)
@ -60,7 +60,7 @@ inline s64 dsp_multiply_add(u16 a, u16 b, u8 sign = 0)
inline s64 dsp_multiply_sub(u16 a, u16 b, u8 sign = 0)
{
s64 prod = dsp_get_long_prod() - dsp_get_multiply_prod(a, b, sign);
s64 prod = dsp_get_long_prod() - dsp_get_multiply_prod(a, b, sign);
return prod;
}
@ -71,9 +71,9 @@ inline s64 dsp_multiply_mulx(u8 axh0, u8 axh1, u16 val1, u16 val2)
if ((axh0==0) && (axh1==0))
result = dsp_multiply(val1, val2, 1); // unsigned support ON if both ax?.l regs are used
else if ((axh0==0) && (axh1==1))
result = dsp_multiply(val1, val2, 2); // mixed support ON (u64)axl.0 * (s64)(s16)axh.1
result = dsp_multiply(val1, val2, 2); // mixed support ON (u16)axl.0 * (s16)axh.1
else if ((axh0==1) && (axh1==0))
result = dsp_multiply(val2, val1, 2); // mixed support ON (u64)axl.1 * (s64)(s16)axh.0
result = dsp_multiply(val2, val1, 2); // mixed support ON (u16)axl.1 * (s16)axh.0
else
result = dsp_multiply(val1, val2, 0); // unsigned support OFF if both ax?.h regs are used