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pan/va: Add MUX lowering tests

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Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16857>
This commit is contained in:
Alyssa Rosenzweig 2022-05-06 17:02:57 -04:00 • committed by Marge Bot
parent 677a66b3eb
commit 8f3b62f87e
1 changed files with 32 additions and 1 deletions
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33
src/panfrost/bifrost/valhall/test/test-lower-isel.cpp
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@ -43,6 +43,9 @@ protected:
LowerIsel() {
mem_ctx = ralloc_context(NULL);
reg = bi_register(1);
x = bi_register(2);
y = bi_register(3);
z = bi_register(4);
}
~LowerIsel() {
@ -50,7 +53,7 @@ protected:
}
void *mem_ctx;
bi_index reg;
bi_index reg, x, y, z;
};
TEST_F(LowerIsel, 8BitSwizzles) {
@ -94,6 +97,34 @@ TEST_F(LowerIsel, IntegerCSEL) {
bi_csel_v2u16(b, reg, reg, reg, reg, BI_CMPF_EQ));
}
TEST_F(LowerIsel, AvoidSimpleMux) {
CASE(bi_mux_i32(b, x, y, z, BI_MUX_INT_ZERO),
bi_csel_u32(b, z, bi_zero(), x, y, BI_CMPF_EQ));
CASE(bi_mux_i32(b, x, y, z, BI_MUX_NEG),
bi_csel_s32(b, z, bi_zero(), x, y, BI_CMPF_LT));
CASE(bi_mux_i32(b, x, y, z, BI_MUX_FP_ZERO),
bi_csel_f32(b, z, bi_zero(), x, y, BI_CMPF_EQ));
CASE(bi_mux_v2i16(b, x, y, z, BI_MUX_INT_ZERO),
bi_csel_v2u16(b, z, bi_zero(), x, y, BI_CMPF_EQ));
CASE(bi_mux_v2i16(b, x, y, z, BI_MUX_NEG),
bi_csel_v2s16(b, z, bi_zero(), x, y, BI_CMPF_LT));
CASE(bi_mux_v2i16(b, x, y, z, BI_MUX_FP_ZERO),
bi_csel_v2f16(b, z, bi_zero(), x, y, BI_CMPF_EQ));
}
TEST_F(LowerIsel, BitwiseMux) {
NEGCASE(bi_mux_i32(b, x, y, z, BI_MUX_BIT));
NEGCASE(bi_mux_v2i16(b, x, y, z, BI_MUX_BIT));
NEGCASE(bi_mux_v4i8(b, x, y, z, BI_MUX_BIT));
}
TEST_F(LowerIsel, MuxInt8) {
NEGCASE(bi_mux_v4i8(b, x, y, z, BI_MUX_INT_ZERO));
NEGCASE(bi_mux_v4i8(b, x, y, z, BI_MUX_NEG));
NEGCASE(bi_mux_v4i8(b, x, y, z, BI_MUX_FP_ZERO));
}
TEST_F(LowerIsel, Smoke) {
NEGCASE(bi_fadd_f32_to(b, reg, reg, reg));
NEGCASE(bi_csel_s32_to(b, reg, reg, reg, reg, reg, BI_CMPF_LT));