This provides a way to enable MIPS DSP ASE optimizations if running
under qemu-user (where /proc/cpuinfo contains information about the
host processor instead of the emulated one). Can be used for running
pixman test suite in qemu-user when having no access to real MIPS
hardware.
---
pixman/pixman-mips.c | 16 +++++++++++++---
1 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/pixman/pixman-mips.c b/pixman/pixman-mips.c
index 2b280c6..3048813 100644
--- a/pixman/pixman-mips.c
+++ b/pixman/pixman-mips.c
@@ -75,9 +75,19 @@ _pixman_mips_get_implementations (pixman_implementation_t
*imp)
#endif
#ifdef USE_MIPS_DSPR2
- /* Only currently available MIPS core that supports DSPr2 is 74K. */
- if (!_pixman_disabled ("mips-dspr2") && have_feature ("MIPS 74K"))
- imp = _pixman_implementation_create_mips_dspr2 (imp);
+ if (!_pixman_disabled ("mips-dspr2"))
+ {
+ int already_compiling_everything_for_dspr2 = 0;
+#if defined(__mips_dsp) && (__mips_dsp_rev >= 2)
+ already_compiling_everything_for_dspr2 = 1;
+#endif
+ if (already_compiling_everything_for_dspr2 ||
+ /* Only currently available MIPS core that supports DSPr2 is 74K. */
+ have_feature ("MIPS 74K"))
+ {
+ imp = _pixman_implementation_create_mips_dspr2 (imp);
+ }
+ }
#endif
return imp;
--
1.7.8.6
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