Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.target/powerpc/p9-extract-3.c @ 152:2b5abeee2509
update gcc11
author | anatofuz |
---|---|
date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 1830386684a0 |
children |
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/* { dg-do compile { target { powerpc64*-*-* && lp64 } } } */ /* { dg-require-effective-target powerpc_p9vector_ok } */ /* { dg-options "-mdejagnu-cpu=power9 -O2" } */ /* Test that under ISA 3.0 (-mcpu=power9), the compiler optimizes conversion to double after a vec_extract to use the VEXTRACTU{B,H} or XXEXTRACTUW instructions (which leaves the result in a vector register), and not the VEXTU{B,H,W}{L,R}X instructions (which needs a direct move to do the floating point conversion). */ #include <altivec.h> double fpcvt_int_0 (vector int a) { int c = 0; int b = vec_extract (a, c); return (double)b; } double fpcvt_int_3 (vector int a) { int c = 3; int b = vec_extract (a, c); return (double)b; } double fpcvt_uint_0 (vector unsigned int a) { int c = 0; unsigned int b = vec_extract (a, c); return (double)b; } double fpcvt_uint_3 (vector unsigned int a) { int c = 3; unsigned int b = vec_extract (a, c); return (double)b; } double fpcvt_short_0 (vector short a) { int c = 0; short b = vec_extract (a, c); return (double)b; } double fpcvt_short_7 (vector short a) { int c = 7; short b = vec_extract (a, c); return (double)b; } double fpcvt_ushort_0 (vector unsigned short a) { int c = 0; unsigned short b = vec_extract (a, c); return (double)b; } double fpcvt_ushort_7 (vector unsigned short a) { int c = 7; unsigned short b = vec_extract (a, c); return (double)b; } double fpcvt_schar_0 (vector signed char a) { int c = 0; signed char b = vec_extract (a, c); return (double)b; } double fpcvt_schar_15 (vector signed char a) { int c = 15; signed char b = vec_extract (a, c); return (double)b; } double fpcvt_uchar_0 (vector unsigned char a) { int c = 0; unsigned char b = vec_extract (a, c); return (double)b; } double fpcvt_uchar_15 (vector unsigned char a) { int c = 15; signed char b = vec_extract (a, c); return (double)b; } /* { dg-final { scan-assembler "vextractu\[bh\] " } } */ /* { dg-final { scan-assembler "vexts\[bh\]2d " } } */ /* { dg-final { scan-assembler "vspltw " } } */ /* { dg-final { scan-assembler "xscvsxddp " } } */ /* { dg-final { scan-assembler "xvcvsxwdp " } } */ /* { dg-final { scan-assembler "xvcvuxwdp " } } */ /* { dg-final { scan-assembler-not "exts\[bhw\] " } } */ /* { dg-final { scan-assembler-not "stxv" } } */ /* { dg-final { scan-assembler-not "m\[ft\]vsrd " } } */ /* { dg-final { scan-assembler-not "m\[ft\]vsrw\[az\] " } } */ /* { dg-final { scan-assembler-not "l\[hw\]\[az\] " } } */