This commit adds support for dadd with an immediate src in gk110 code. The machine-code in question is generated by e.g. nouveau_compiler with the new "Make use of double immediates" patch series when building the piglit glsl-algebraic-double-add.shader_test.
This commit changes the output from: 00000010: 001c0001 c38001ff $r0 $r0 $r0 $r0 0x3fe00 0x3fe00 0x3fe0000000000000 0x3fe00000 0x0 0x3 ??? [unknown: 00000000 c0800000] [unknown instruction] Into: 00000010: 001c0001 c38001ff add rn f64 $r0d $r0d 0x3fe0000000000000 The machine-code in question disassembles to the same using nvdisasm and works properly on an actual gpu. Signed-off-by: Hans de Goede <[email protected]> --- envydis/gk110.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/envydis/gk110.c b/envydis/gk110.c index 9af18e1..4790533 100644 --- a/envydis/gk110.c +++ b/envydis/gk110.c @@ -1274,6 +1274,7 @@ static struct insn tabcctlmod[] = { * 000000007f800000 2nd src * 0000003fff800000 2nd src (immediate) * 0000007fff800000 address + * 000003ffff800000 float/double immediate * 007fffffff800000 long immediate * 0003fc0000000000 3rd src * 007c000000000000 misc flags @@ -1410,6 +1411,7 @@ static struct insn tabi[] = { { 0x02c0000000000001ull, 0x37c0000000000003ull, N("add"), T(ftz2f), T(sat35), T(frm2a), N("f32"), DST, T(neg33), T(abs31), SRC1, T(neg3b), T(fi2) }, { 0x0300000000000001ull, 0x37c0000000000003ull, T(minmax), T(ftz2f), N("f32"), DST, T(neg33), T(abs31), SRC1, T(neg3b), T(fi2) }, { 0x0340000000000001ull, 0x37c0000000000003ull, N("mul"), T(ftz2f), T(sat35), T(frm2a), T(neg3b), N("f32"), DST, SRC1, T(fi2) }, + { 0x0380000000000001ull, 0x37c0000000000003ull, N("add"), T(frm2a), N("f64"), DSTD, T(neg33), T(abs31), SRC1D, T(neg3b), T(di2) }, { 0x0400000000000001ull, 0x37c0000000000003ull, N("mul"), T(frm2a), T(neg3b), N("f64"), DSTD, SRC1D, T(di2) }, { 0x0500000000000001ull, 0x37c0000000000003ull, N("selp"), DST, SRC1, T(i3bi2), T(pnot2d), PSRC3 }, { 0x07c0000000000001ull, 0x37c0000000000003ull, N("rshf"), N("b32"), DST, SESTART, T(us64_28), SRC1, SRC3, SEEND, T(shfclamp), T(sui2b) }, // d = (s1 >> s2) | (s3 << (32 - s2)) -- 2.5.0 _______________________________________________ Nouveau mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/nouveau
