From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1923) id EEF7A3858C56; Wed, 17 Jan 2024 19:15:06 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EEF7A3858C56 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705518906; bh=rKH5+rYlvC5Om6ajZtfceP8iT6VNYc2HhkzGcyGo6Jw=; h=From:To:Subject:Date:From; b=lm1yF3PC/aObvF7MZDfx0DksjwGlFfc9SLiwG5xOtE+R34op8EVQfAWLqOG5vwQQT RwUgLy0LQBTPsUAdTovHPo/JKFGyd6qHqvoRp9vZsFoZANCEEKWt/8Nc+ZauH/Tcqo ZZSNBjvfnPS+utYK/533qJK8Uctwi6qdNN5Qq9a0= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Philipp Tomsich To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/vendors/vrull/heads/slp-improvements)] Add testcases for #342 X-Act-Checkin: gcc X-Git-Author: Manolis Tsamis X-Git-Refname: refs/vendors/vrull/heads/slp-improvements X-Git-Oldrev: d670ca49c4bb9c894d94de876d592aff34812229 X-Git-Newrev: 8b4e76d1ec32f1158415f93584bb4805b7c61e4f Message-Id: <20240117191506.EEF7A3858C56@sourceware.org> Date: Wed, 17 Jan 2024 19:15:06 +0000 (GMT) List-Id: https://gcc.gnu.org/g:8b4e76d1ec32f1158415f93584bb4805b7c61e4f commit 8b4e76d1ec32f1158415f93584bb4805b7c61e4f Author: Manolis Tsamis Date: Fri Dec 1 12:45:12 2023 +0100 Add testcases for #342 Diff: --- gcc/testsuite/gcc.target/aarch64/pr98138_1.c | 32 +++++++++++++++++++ gcc/testsuite/gcc.target/aarch64/pr98138_2.c | 48 ++++++++++++++++++++++++++++ 2 files changed, 80 insertions(+) diff --git a/gcc/testsuite/gcc.target/aarch64/pr98138_1.c b/gcc/testsuite/gcc.target/aarch64/pr98138_1.c new file mode 100644 index 00000000000..a9f7d4d6a99 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/pr98138_1.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-all" } */ + +extern void test(unsigned int t[4][4]); + +void foo(unsigned char *p1, int i1, unsigned char *p2, int i2) +{ + unsigned int tmp[4][4]; + unsigned int a0, a1, a2, a3; + + for (int i = 0; i < 4; i++, p1 += i1, p2 += i2) + { + a0 = (p1[0] - p2[0]) + ((p1[4] - p2[4]) << 16); + a1 = (p1[1] - p2[1]) + ((p1[5] - p2[5]) << 16); + a2 = (p1[2] - p2[2]) + ((p1[6] - p2[6]) << 16); + a3 = (p1[3] - p2[3]) + ((p1[7] - p2[7]) << 16); + + int t0 = a0 + a1; + int t1 = a0 - a1; + int t2 = a2 + a3; + int t3 = a2 - a3; + + tmp[i][0] = t0 + t2; + tmp[i][2] = t0 - t2; + tmp[i][1] = t1 + t3; + tmp[i][3] = t1 - t3; + } + + test(tmp); +} + +/* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" } } */ diff --git a/gcc/testsuite/gcc.target/aarch64/pr98138_2.c b/gcc/testsuite/gcc.target/aarch64/pr98138_2.c new file mode 100644 index 00000000000..7e85470a677 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/pr98138_2.c @@ -0,0 +1,48 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-all" } */ + +typedef unsigned char uint8_t; +typedef unsigned int uint32_t; +typedef unsigned short uint16_t; + +static inline +uint32_t abs2 ( uint32_t a ) +{ + uint32_t s = ((a>>15)&0x10001)*0xffff; + return (a+s)^s; +} + +#define HADAMARD4(d0, d1, d2, d3, s0, s1, s2, s3) {\ + int t0 = s0 + s1;\ + int t1 = s0 - s1;\ + int t2 = s2 + s3;\ + int t3 = s2 - s3;\ + d0 = t0 + t2;\ + d2 = t0 - t2;\ + d1 = t1 + t3;\ + d3 = t1 - t3;\ +} + +int +foo ( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 ) +{ + uint32_t tmp[4][4]; + uint32_t a0, a1, a2, a3; + int sum = 0; + for( int i = 0; i < 4; i++, pix1 += i_pix1, pix2 += i_pix2 ) + { + a0 = (pix1[0] - pix2[0]) + ((pix1[4] - pix2[4]) << 16); + a1 = (pix1[1] - pix2[1]) + ((pix1[5] - pix2[5]) << 16); + a2 = (pix1[2] - pix2[2]) + ((pix1[6] - pix2[6]) << 16); + a3 = (pix1[3] - pix2[3]) + ((pix1[7] - pix2[7]) << 16); + HADAMARD4( tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3], a0,a1,a2,a3 ); + } + for( int i = 0; i < 4; i++ ) + { + HADAMARD4( a0, a1, a2, a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] ); + sum += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3); + } + return (((uint16_t)sum) + ((uint32_t)sum>>16)) >> 1; +} + +/* { dg-final { scan-tree-dump "vectorized 2 loops" "vect" } } */