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| author | Ben Skeggs <bskeggs@redhat.com> | 2014-05-09 15:55:47 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-05-15 09:54:12 +1000 |
| commit | 0079a375a58b288caacc2721f5a34b8f1233e7d1 (patch) | |
| tree | 4d7b244b3cb826e9cbccf090fe549fea51351736 /src/gallium/drivers/nouveau/codegen/target_lib_nvc0.asm | |
| parent | 737477dac33d68b00b34019258d663945fbfeb56 (diff) | |
| download | external_mesa3d-0079a375a58b288caacc2721f5a34b8f1233e7d1.zip external_mesa3d-0079a375a58b288caacc2721f5a34b8f1233e7d1.tar.gz external_mesa3d-0079a375a58b288caacc2721f5a34b8f1233e7d1.tar.bz2 | |
nvc0: allow for easier modification of compiler library routines
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Diffstat (limited to 'src/gallium/drivers/nouveau/codegen/target_lib_nvc0.asm')
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/target_lib_nvc0.asm | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/target_lib_nvc0.asm b/src/gallium/drivers/nouveau/codegen/target_lib_nvc0.asm deleted file mode 100644 index f40becc..0000000 --- a/src/gallium/drivers/nouveau/codegen/target_lib_nvc0.asm +++ /dev/null @@ -1,96 +0,0 @@ -// -// DIV U32 -// -// UNR recurrence (q = a / b): -// look for z such that 2^32 - b <= b * z < 2^32 -// then q - 1 <= (a * z) / 2^32 <= q -// -// INPUT: $r0: dividend, $r1: divisor -// OUTPUT: $r0: result, $r1: modulus -// CLOBBER: $r2 - $r3, $p0 - $p1 -// SIZE: 22 / 14 * 8 bytes -// -bfind u32 $r2 $r1 -xor b32 $r2 $r2 0x1f -mov b32 $r3 0x1 -shl b32 $r2 $r3 clamp $r2 -cvt u32 $r1 neg u32 $r1 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mov b32 $r3 $r0 -mul high $r0 u32 $r0 u32 $r2 -cvt u32 $r2 neg u32 $r1 -add $r1 (mul u32 $r1 u32 $r0) $r3 -set $p0 0x1 ge u32 $r1 $r2 -$p0 sub b32 $r1 $r1 $r2 -$p0 add b32 $r0 $r0 0x1 -$p0 set $p0 0x1 ge u32 $r1 $r2 -$p0 sub b32 $r1 $r1 $r2 -$p0 add b32 $r0 $r0 0x1 -ret -// -// DIV S32, like DIV U32 after taking ABS(inputs) -// -// INPUT: $r0: dividend, $r1: divisor -// OUTPUT: $r0: result, $r1: modulus -// CLOBBER: $r2 - $r3, $p0 - $p3 -// -set $p2 0x1 lt s32 $r0 0x0 -set $p3 0x1 lt s32 $r1 0x0 xor $p2 -cvt s32 $r0 abs s32 $r0 -cvt s32 $r1 abs s32 $r1 -bfind u32 $r2 $r1 -xor b32 $r2 $r2 0x1f -mov b32 $r3 0x1 -shl b32 $r2 $r3 clamp $r2 -cvt u32 $r1 neg u32 $r1 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mul $r3 u32 $r1 u32 $r2 -add $r2 (mul high u32 $r2 u32 $r3) $r2 -mov b32 $r3 $r0 -mul high $r0 u32 $r0 u32 $r2 -cvt u32 $r2 neg u32 $r1 -add $r1 (mul u32 $r1 u32 $r0) $r3 -set $p0 0x1 ge u32 $r1 $r2 -$p0 sub b32 $r1 $r1 $r2 -$p0 add b32 $r0 $r0 0x1 -$p0 set $p0 0x1 ge u32 $r1 $r2 -$p0 sub b32 $r1 $r1 $r2 -$p0 add b32 $r0 $r0 0x1 -$p3 cvt s32 $r0 neg s32 $r0 -$p2 cvt s32 $r1 neg s32 $r1 -ret -// -// RCP F64: Newton Raphson reciprocal(x): r_{i+1} = r_i * (2.0 - x * r_i) -// -// INPUT: $r0d (x) -// OUTPUT: $r0d (rcp(x)) -// CLOBBER: $r2 - $r7 -// SIZE: 9 * 8 bytes -// -nop -ret -// RSQ F64: Newton Raphson rsqrt(x): r_{i+1} = r_i * (1.5 - 0.5 * x * r_i * r_i) -// -// INPUT: $r0d (x) -// OUTPUT: $r0d (rsqrt(x)) -// CLOBBER: $r2 - $r7 -// SIZE: 14 * 8 bytes -// -nop -ret |