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Relax the regular expressions used by this test in\npreparation.\n\nCurrently, analysis of f_v8hi succeeds with vector mode V16QI and the\nfollowing GIMPLE is produced:\n\nvector(8) short unsigned intD.19 vect__1.18D.4648;\n...\nvect__1.18_69 = MEM \n [(short unsigned intD.19 *)vectp.17_68 clique 1 base 1];\nvect_patt_60.19_70 = .POPCOUNT (vect__1.18_69);\n\nWith predicated tails, analysis instead succeeds with a variable-length\nvector mode and the following GIMPLE is produced:\n\nvector([8,8]) short unsigned intD.19 vect__1.18D.4649;\n...\nslp_mask_45 = .WHILE_ULT (0, 8, { 0, ... }); # VUSE <.MEM_25(D)>\nvect__1.18_46 = .MASK_LOAD (vectp.17_44, 16B, slp_mask_45, { 0, ... });\nvect_patt_36.19_47 = .POPCOUNT (vect__1.18_46);\n\nWhen lowered to RTL, the WHILE_ULT is replaced by\nreinterpretation of a V16QI as VNx8HI:\n\n(insn 7 4 8 2 (\n set (reg:V16QI 107) (mem:V16QI (reg/v/f:DI 103 [ b ]) [1 S16 A16])\n) \"gcc.target/aarch64/popcnt-sve.c\":33:8 discrim 1 -1 (nil))\n\n(insn 8 7 9 2 (\n set (reg:VNx8HI 106) (subreg:VNx8HI (reg:V16QI 107) 0))\n \"gcc.target/aarch64/popcnt-sve.c\":33:8 discrim 1 -1 (nil))\n\nA mask is still required to lower POPCOUNT, so an all-ones mask\nis synthesized:\n\n(insn 9 8 10 2 (set (reg:VNx16BI 108)\n (const_vector:VNx16BI repeat [(const_int 1 [0x1])\n ])) \"gcc.target/aarch64/popcnt-sve.c\":69:8 discrim 1 -1\n(nil))\n\n(insn 10 9 11 2 (set (reg:VNx4SI 105)\n (unspec:VNx4SI [\n (subreg:VNx4BI (reg:VNx16BI 108) 0)\n (popcount:VNx4SI (reg:VNx4SI 106))\n ] UNSPEC_PRED_X))\n \"gcc.target/aarch64/popcnt-sve.c\":69:8 discrim 1 -1\n(nil))\n\nHowever, this mask is not the same as the specific-width mask\ncurrently expected by the tests.\n\ngcc/testsuite/ChangeLog:\n\n\t* gcc.target/aarch64/popcnt-sve.c: Update test expectations\n\tto allow both current and alternative valid mask\n\tspecifications.\n\n---\n gcc/testsuite/gcc.target/aarch64/popcnt-sve.c | 10 +++++-----\n 1 file changed, 5 insertions(+), 5 deletions(-)","diff":"diff --git a/gcc/testsuite/gcc.target/aarch64/popcnt-sve.c b/gcc/testsuite/gcc.target/aarch64/popcnt-sve.c\nindex c3b4c69b4b4..117a5ca8f1b 100644\n--- a/gcc/testsuite/gcc.target/aarch64/popcnt-sve.c\n+++ b/gcc/testsuite/gcc.target/aarch64/popcnt-sve.c\n@@ -4,7 +4,7 @@\n \n /*\n ** f_v4hi:\n-**\tptrue\t(p[0-7]).b, vl8\n+**\tptrue\t(p[0-7]).b, (?:vl8|all)\n **\tldr\td([0-9]+), \\[x0\\]\n **\tcnt\tz\\2.h, \\1/m, z\\2.h\n **\tstr\td\\2, \\[x1\\]\n@@ -21,7 +21,7 @@ f_v4hi (unsigned short *__restrict b, unsigned short *__restrict d)\n \n /*\n ** f_v8hi:\n-**\tptrue\t(p[0-7]).b, vl16\n+**\tptrue\t(p[0-7]).b, (?:vl16|all)\n **\tldr\tq([0-9]+), \\[x0\\]\n **\tcnt\tz\\2.h, \\1/m, z\\2.h\n **\tstr\tq\\2, \\[x1\\]\n@@ -42,7 +42,7 @@ f_v8hi (unsigned short *__restrict b, unsigned short *__restrict d)\n \n /*\n ** f_v2si:\n-**\tptrue\t(p[0-7]).b, vl8\n+**\tptrue\t(p[0-7]).b, (?:vl8|all)\n **\tldr\td([0-9]+), \\[x0\\]\n **\tcnt\tz\\2.s, \\1/m, z\\2.s\n **\tstr\td\\2, \\[x1\\]\n@@ -57,7 +57,7 @@ f_v2si (unsigned int *__restrict b, unsigned int *__restrict d)\n \n /*\n ** f_v4si:\n-**\tptrue\t(p[0-7]).b, vl16\n+**\tptrue\t(p[0-7]).b, (?:vl16|all)\n **\tldr\tq([0-9]+), \\[x0\\]\n **\tcnt\tz\\2.s, \\1/m, z\\2.s\n **\tstr\tq\\2, \\[x1\\]\n@@ -74,7 +74,7 @@ f_v4si (unsigned int *__restrict b, unsigned int *__restrict d)\n \n /*\n ** f_v2di:\n-**\tptrue\t(p[0-7]).b, vl16\n+**\tptrue\t(p[0-7]).b, (?:vl16|all)\n **\tldr\tq([0-9]+), \\[x0\\]\n **\tcnt\tz\\2.d, \\1/m, z\\2.d\n **\tstr\tq\\2, \\[x1\\]\n","prefixes":["v7","07/10"]}