As shown on http://gcc.gnu.org/ml/gcc-testresults/2009-01/msg00092.html neon tests scanning for vmov are failing on trunk:
FAIL: gcc.target/arm/neon/polytypes.c (test for excess errors) FAIL: gcc.target/arm/neon/vget_lowf32.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lowp16.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lowp8.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lows16.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lows32.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lows64.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lows8.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lowu16.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lowu32.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lowu64.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n FAIL: gcc.target/arm/neon/vget_lowu8.c scan-assembler vmov[ \\t]+[dD][0-9]+, [dD][0-9]+!?([ \\...@[a-za-z0-9 ]+)?\\n Looking at one of the assembly generated vmov is indeed not there: gue...@gcc50:~$ cat vget_lowf32.s .cpu arm10tdmi .eabi_attribute 27, 3 .fpu neon .eabi_attribute 20, 1 .eabi_attribute 21, 1 .eabi_attribute 23, 3 .eabi_attribute 24, 1 .eabi_attribute 25, 1 .eabi_attribute 26, 2 .eabi_attribute 30, 6 .eabi_attribute 18, 4 .file "vget_lowf32.c" .text .align 2 .global test_vget_lowf32 .type test_vget_lowf32, %function test_vget_lowf32: @ args = 0, pretend = 0, frame = 24 @ frame_needed = 1, uses_anonymous_args = 0 @ link register save eliminated. str fp, [sp, #-4]! add fp, sp, #0 sub sp, sp, #28 vldr d16, [fp, #-20] vldr d17, [fp, #-12] fstd d16, [fp, #-28] add sp, fp, #0 ldmfd sp!, {fp} bx lr .size test_vget_lowf32, .-test_vget_lowf32 .ident "GCC: (GNU) 4.4.0 20081231 (experimental) [trunk revision 142984]" .section .note.GNU-stack,"",%progbits My configure: ../trunk/configure --prefix=/n/50/guerby/install-trunk-142984 --enable-languages=c --enable-__cxa_atexit --disable-nls --enable-threads=posix --with-mpfr=/opt/cfarm/mpfr-2.3.2 --build=arm-linux-gnueabi --host=arm-linux-gnueabi --target=arm-linux-gnueabi --enable-stage1-checking=release My host/build/target: gue...@gcc50:~$ cat /proc/cpuinfo Processor : XScale-80219 rev 0 (v5l) BogoMIPS : 593.10 Features : swp half thumb fastmult edsp CPU implementer : 0x69 CPU architecture: 5TE CPU variant : 0x0 CPU part : 0x2e3 CPU revision : 0 Cache type : undefined 5 Cache clean : undefined 5 Cache lockdown : undefined 5 Cache format : Harvard I size : 32768 I assoc : 32 I line length : 32 I sets : 32 D size : 32768 D assoc : 32 D line length : 32 D sets : 32 Hardware : Thecus N2100 Revision : 0000 Serial : 0000000000000000 -- Summary: gcc.target/arm/neon/neon.exp tests for vmov fail on arm- linux-eabi Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: laurent at guerby dot net GCC build triplet: arm-linux-gnueabi GCC host triplet: arm-linux-gnueabi GCC target triplet: arm-linux-gnueabi http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38697