Mailing List Archive

* tests/basic.c (clutter_vector_registers): Pass data pointers through
single register for CLUTTER_VECTOR_REGISTER_AMD64 and
CLUTTER_VECTOR_REGISTER_I386 as compiler might attempt to allocate
separate pointer register for each "m" operator.
--

Reported-by: Julian Kirsch <mail@kirschju.re>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
---
tests/basic.c | 74 ++++++++++++++++++---------------------------------
1 file changed, 26 insertions(+), 48 deletions(-)

diff --git a/tests/basic.c b/tests/basic.c
index 68f4557b..671182b1 100644
--- a/tests/basic.c
+++ b/tests/basic.c
@@ -339,39 +339,24 @@ clutter_vector_registers(void)
prepare_vector_data(data);

#if defined(CLUTTER_VECTOR_REGISTER_AMD64)
- asm volatile("movdqu %[data0], %%xmm0\n"
- "movdqu %[data1], %%xmm1\n"
- "movdqu %[data2], %%xmm2\n"
- "movdqu %[data3], %%xmm3\n"
- "movdqu %[data4], %%xmm4\n"
- "movdqu %[data5], %%xmm5\n"
- "movdqu %[data6], %%xmm6\n"
- "movdqu %[data7], %%xmm7\n"
- "movdqu %[data8], %%xmm8\n"
- "movdqu %[data9], %%xmm9\n"
- "movdqu %[data10], %%xmm10\n"
- "movdqu %[data11], %%xmm11\n"
- "movdqu %[data12], %%xmm12\n"
- "movdqu %[data13], %%xmm13\n"
- "movdqu %[data14], %%xmm14\n"
- "movdqu %[data15], %%xmm15\n"
+ asm volatile("movdqu (0 * 16)(%[data]), %%xmm0\n"
+ "movdqu (1 * 16)(%[data]), %%xmm1\n"
+ "movdqu (2 * 16)(%[data]), %%xmm2\n"
+ "movdqu (3 * 16)(%[data]), %%xmm3\n"
+ "movdqu (4 * 16)(%[data]), %%xmm4\n"
+ "movdqu (5 * 16)(%[data]), %%xmm5\n"
+ "movdqu (6 * 16)(%[data]), %%xmm6\n"
+ "movdqu (7 * 16)(%[data]), %%xmm7\n"
+ "movdqu (8 * 16)(%[data]), %%xmm8\n"
+ "movdqu (9 * 16)(%[data]), %%xmm9\n"
+ "movdqu (10 * 16)(%[data]), %%xmm10\n"
+ "movdqu (11 * 16)(%[data]), %%xmm11\n"
+ "movdqu (12 * 16)(%[data]), %%xmm12\n"
+ "movdqu (13 * 16)(%[data]), %%xmm13\n"
+ "movdqu (14 * 16)(%[data]), %%xmm14\n"
+ "movdqu (15 * 16)(%[data]), %%xmm15\n"
:
- : [data0] "m" (*data[0]),
- [data1] "m" (*data[1]),
- [data2] "m" (*data[2]),
- [data3] "m" (*data[3]),
- [data4] "m" (*data[4]),
- [data5] "m" (*data[5]),
- [data6] "m" (*data[6]),
- [data7] "m" (*data[7]),
- [data8] "m" (*data[8]),
- [data9] "m" (*data[9]),
- [data10] "m" (*data[10]),
- [data11] "m" (*data[11]),
- [data12] "m" (*data[12]),
- [data13] "m" (*data[13]),
- [data14] "m" (*data[14]),
- [data15] "m" (*data[15])
+ : [data] "r" (&data[0])
: "memory"
#ifdef __SSE2__
,"xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
@@ -380,23 +365,16 @@ clutter_vector_registers(void)
#endif
);
#elif defined(CLUTTER_VECTOR_REGISTER_I386)
- asm volatile("movdqu %[data0], %%xmm0\n"
- "movdqu %[data1], %%xmm1\n"
- "movdqu %[data2], %%xmm2\n"
- "movdqu %[data3], %%xmm3\n"
- "movdqu %[data4], %%xmm4\n"
- "movdqu %[data5], %%xmm5\n"
- "movdqu %[data6], %%xmm6\n"
- "movdqu %[data7], %%xmm7\n"
+ asm volatile("movdqu (0 * 16)(%[data]), %%xmm0\n"
+ "movdqu (1 * 16)(%[data]), %%xmm1\n"
+ "movdqu (2 * 16)(%[data]), %%xmm2\n"
+ "movdqu (3 * 16)(%[data]), %%xmm3\n"
+ "movdqu (4 * 16)(%[data]), %%xmm4\n"
+ "movdqu (5 * 16)(%[data]), %%xmm5\n"
+ "movdqu (6 * 16)(%[data]), %%xmm6\n"
+ "movdqu (7 * 16)(%[data]), %%xmm7\n"
:
- : [data0] "m" (*data[0]),
- [data1] "m" (*data[1]),
- [data2] "m" (*data[2]),
- [data3] "m" (*data[3]),
- [data4] "m" (*data[4]),
- [data5] "m" (*data[5]),
- [data6] "m" (*data[6]),
- [data7] "m" (*data[7])
+ : [data] "r" (&data[0])
: "memory"
#ifdef __SSE2__
,"xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"
--
2.37.2


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