[PATCH] osmo-trx[master]: ssedetect: call __builtin_cpu_supports() only if supported

[Vadim Yanitskiy]

Review at  https://gerrit.osmocom.org/2690

ssedetect: call __builtin_cpu_supports() only if supported

Some compilers don't support the __builtin_cpu_supports built-in,
so let's make them able to compile the project anyway.

Change-Id: I0c90402d8e4c9f196c54b066ff30891c8de3ad2b
---
M Transceiver52M/osmo-trx.cpp
M Transceiver52M/x86/convert.c
M Transceiver52M/x86/convolve.c
3 files changed, 11 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-trx refs/changes/90/2690/1

diff --git a/Transceiver52M/osmo-trx.cpp b/Transceiver52M/osmo-trx.cpp
index 1c0ceb1..31a99cf 100644
--- a/Transceiver52M/osmo-trx.cpp
+++ b/Transceiver52M/osmo-trx.cpp
@@ -397,18 +397,26 @@
 
 #ifdef HAVE_SSE3
        printf("Info: SSE3 support compiled in");
+#ifdef HAVE___BUILTIN_CPU_SUPPORTS
        if (__builtin_cpu_supports("sse3"))
                printf(" and supported by CPU\n");
        else
                printf(", but not supported by CPU\n");
+#else
+       printf(", but runtime SIMD detection disabled\n");
+#endif
 #endif
 
 #ifdef HAVE_SSE4_1
        printf("Info: SSE4.1 support compiled in");
+#ifdef HAVE___BUILTIN_CPU_SUPPORTS
        if (__builtin_cpu_supports("sse4.1"))
                printf(" and supported by CPU\n");
        else
                printf(", but not supported by CPU\n");
+#else
+       printf(", but runtime SIMD detection disabled\n");
+#endif
 #endif
 
        convolve_init();
diff --git a/Transceiver52M/x86/convert.c b/Transceiver52M/x86/convert.c
index db98050..07cdf59 100644
--- a/Transceiver52M/x86/convert.c
+++ b/Transceiver52M/x86/convert.c
@@ -46,6 +46,7 @@
        c.convert_si16_ps_16n = base_convert_short_float;
        c.convert_si16_ps = base_convert_short_float;
 
+#ifdef HAVE___BUILTIN_CPU_SUPPORTS
 #ifdef HAVE_SSE4_1
        if (__builtin_cpu_supports("sse4.1")) {
                c.convert_si16_ps_16n = &_sse_convert_si16_ps_16n;
@@ -60,6 +61,7 @@
                c.convert_scale_ps_si16 = _sse_convert_scale_ps_si16;
        }
 #endif
+#endif
 }
 
 void convert_float_short(short *out, const float *in, float scale, int len)
diff --git a/Transceiver52M/x86/convolve.c b/Transceiver52M/x86/convolve.c
index 35cba29..eb38f64 100644
--- a/Transceiver52M/x86/convolve.c
+++ b/Transceiver52M/x86/convolve.c
@@ -82,7 +82,7 @@
        c.conv_real4n = (void *)_base_convolve_real;
        c.conv_real = (void *)_base_convolve_real;
 
-#ifdef HAVE_SSE3
+#if defined(HAVE_SSE3) && defined(HAVE___BUILTIN_CPU_SUPPORTS)
        if (__builtin_cpu_supports("sse3")) {
                c.conv_cmplx_4n = sse_conv_cmplx_4n;
                c.conv_cmplx_8n = sse_conv_cmplx_8n;

-- 
To view, visit https://gerrit.osmocom.org/2690
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I0c90402d8e4c9f196c54b066ff30891c8de3ad2b
Gerrit-PatchSet: 1
Gerrit-Project: osmo-trx
Gerrit-Branch: master
Gerrit-Owner: Vadim Yanitskiy <axilira...@gmail.com>