diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_sse2.c | 64 |
1 files changed, 28 insertions, 36 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c index e43bee00a9..df49638d51 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c @@ -1558,10 +1558,9 @@ emit_kil( const struct tgsi_full_src_register *reg ) { unsigned uniquemask; - unsigned registers[4]; - unsigned nextregister = 0; - unsigned firstchan = ~0; + unsigned unique_count = 0; unsigned chan_index; + unsigned i; /* This mask stores component bits that were already tested. Note that * we test if the value is less than zero, so 1.0 and 0.0 need not to be @@ -1581,18 +1580,11 @@ emit_kil( uniquemask |= 1 << swizzle; /* allocate register */ - registers[chan_index] = nextregister; emit_fetch( func, - nextregister, + unique_count++, reg, chan_index ); - nextregister++; - - /* mark the first channel used */ - if( firstchan == ~0 ) { - firstchan = chan_index; - } } } @@ -1603,32 +1595,32 @@ emit_kil( func, x86_make_reg( file_REG32, reg_DX ) ); - FOR_EACH_CHANNEL( chan_index ) { - if( uniquemask & (1 << chan_index) ) { - sse_cmpps( + for (i = 0 ; i < unique_count; i++ ) { + struct x86_reg dataXMM = make_xmm(i); + + sse_cmpps( + func, + dataXMM, + get_temp( + TGSI_EXEC_TEMP_00000000_I, + TGSI_EXEC_TEMP_00000000_C ), + cc_LessThan ); + + if( i == 0 ) { + sse_movmskps( func, - make_xmm( registers[chan_index] ), - get_temp( - TGSI_EXEC_TEMP_00000000_I, - TGSI_EXEC_TEMP_00000000_C ), - cc_LessThan ); - - if( chan_index == firstchan ) { - sse_pmovmskb( - func, - x86_make_reg( file_REG32, reg_AX ), - make_xmm( registers[chan_index] ) ); - } - else { - sse_pmovmskb( - func, - x86_make_reg( file_REG32, reg_DX ), - make_xmm( registers[chan_index] ) ); - x86_or( - func, - x86_make_reg( file_REG32, reg_AX ), - x86_make_reg( file_REG32, reg_DX ) ); - } + x86_make_reg( file_REG32, reg_AX ), + dataXMM ); + } + else { + sse_movmskps( + func, + x86_make_reg( file_REG32, reg_DX ), + dataXMM ); + x86_or( + func, + x86_make_reg( file_REG32, reg_AX ), + x86_make_reg( file_REG32, reg_DX ) ); } } |