From 88fab00db092415489517cc6700ba7b58c5d30bb Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Sun, 15 Dec 2013 19:40:50 +0100 Subject: [PATCH] vect-nop-move.c (foo32x2_be): Call __builtin_ia32_emms for 32bit x86 targets. * gcc.dg/vect/vect-nop-move.c (foo32x2_be): Call __builtin_ia32_emms for 32bit x86 targets. (foo32x2_le): Ditto. (main): Reorder function calls. From-SVN: r206002 --- gcc/testsuite/ChangeLog | 7 +++++++ gcc/testsuite/gcc.dg/vect/vect-nop-move.c | 21 +++++++++++++++------ 2 files changed, 22 insertions(+), 6 deletions(-) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index b196e8047a81..a04e6621e0c2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2013-12-15 Uros Bizjak + + * gcc.dg/vect/vect-nop-move.c (foo32x2_be): Call + __builtin_ia32_emms for 32bit x86 targets. + (foo32x2_le): Ditto. + (main): Reorder function calls. + 2013-12-15 Uros Bizjak * gcc.target/i386/pr57756.c (dg-options): Add -mno-sse3. diff --git a/gcc/testsuite/gcc.dg/vect/vect-nop-move.c b/gcc/testsuite/gcc.dg/vect/vect-nop-move.c index 92614c6ad72c..6e82c34fd52b 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-nop-move.c +++ b/gcc/testsuite/gcc.dg/vect/vect-nop-move.c @@ -30,12 +30,21 @@ bar (float a) NOINLINE float foo32x2_be (float32x2_t x) { +#ifdef __i386__ + /* ix86 passes float32x2 vector arguments in mmx registers. We need to + emit emms to empty MMS state and reenable x87 stack before float value + can be loaded to and passed in x87 floating-point return register. */ + __builtin_ia32_emms (); +#endif return bar (x[1]); } NOINLINE float foo32x2_le (float32x2_t x) { +#ifdef __i386__ + __builtin_ia32_emms (); +#endif return bar (x[0]); } @@ -45,18 +54,18 @@ main() float32x4_t a = { 0.0f, 1.0f, 2.0f, 3.0f }; float32x2_t b = { 0.0f, 1.0f }; - if (foo32x4_be (a) != 3.0f) - abort (); - - if (foo32x4_le (a) != 0.0f) - abort (); - if (foo32x2_be (b) != 1.0f) abort (); if (foo32x2_le (b) != 0.0f) abort (); + if (foo32x4_be (a) != 3.0f) + abort (); + + if (foo32x4_le (a) != 0.0f) + abort (); + return 0; }