https://gcc.gnu.org/g:73ffdaa29d588d2ae01a044d88c3b4ee642bab44
commit r17-2378-g73ffdaa29d588d2ae01a044d88c3b4ee642bab44 Author: Pan Li <[email protected]> Date: Sat Jul 11 22:35:14 2026 +0800 RISC-V: Add test cases for vzext.vf8 reg overlap Add test cases for vzext.vf8 register group overlap, please note it is not overlap as much as possible. gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-m1.c: New test. * gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf2.c: New test. * gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf4.c: New test. * gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf8.c: New test. Signed-off-by: Pan Li <[email protected]> Diff: --- .../riscv/rvv/autovec/group_overlap/vzext_vf8-u8-m1.c | 17 +++++++++++++++++ .../rvv/autovec/group_overlap/vzext_vf8-u8-mf2.c | 19 +++++++++++++++++++ .../rvv/autovec/group_overlap/vzext_vf8-u8-mf4.c | 19 +++++++++++++++++++ .../rvv/autovec/group_overlap/vzext_vf8-u8-mf8.c | 19 +++++++++++++++++++ 4 files changed, 74 insertions(+) diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-m1.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-m1.c new file mode 100644 index 000000000000..c0e233b61448 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-m1.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d" } */ + +#include "group_overlap.h" + +DEF_GROUP_OVERLAP_UNARY_0( + __riscv_vsetvlmax_e8m1, + vuint8m1_t, + vuint64m8_t, + __riscv_vle8_v_u8m1, + __riscv_vzext_vf8_u64m8, + __riscv_vse64_v_u64m8, + vzext_vf, + LOOP_UNARY_BODY_X4) + +/* { dg-final { scan-assembler-times {vzext\.vf8\s+v0,v7([^0-9]|$)} 1 } } */ +/* { dg-final { scan-assembler-times {vzext\.vf8\s+v8,v15} 1 } } */ diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf2.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf2.c new file mode 100644 index 000000000000..f58c6cdbe207 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf2.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d" } */ + +#include "group_overlap.h" + +DEF_GROUP_OVERLAP_UNARY_0( + __riscv_vsetvlmax_e8m1, + vuint8mf2_t, + vuint64m4_t, + __riscv_vle8_v_u8mf2, + __riscv_vzext_vf8_u64m4, + __riscv_vse64_v_u64m4, + vzext_vf, + LOOP_UNARY_BODY_X8) + +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v0,v7([^0-9]|$)} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v8,v15} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v16,v23} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v24,v31} } } */ diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf4.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf4.c new file mode 100644 index 000000000000..5b1734fd4a3d --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf4.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d" } */ + +#include "group_overlap.h" + +DEF_GROUP_OVERLAP_UNARY_0( + __riscv_vsetvlmax_e8m1, + vuint8mf4_t, + vuint64m2_t, + __riscv_vle8_v_u8mf4, + __riscv_vzext_vf8_u64m2, + __riscv_vse64_v_u64m2, + vzext_vf, + LOOP_UNARY_BODY_X16) + +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v0,v7([^0-9]|$)} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v8,v15} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v16,v23} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v24,v31} } } */ diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf8.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf8.c new file mode 100644 index 000000000000..606af2525c37 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/group_overlap/vzext_vf8-u8-mf8.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d" } */ + +#include "group_overlap.h" + +DEF_GROUP_OVERLAP_UNARY_0( + __riscv_vsetvlmax_e8m1, + vuint8mf8_t, + vuint64m1_t, + __riscv_vle8_v_u8mf8, + __riscv_vzext_vf8_u64m1, + __riscv_vse64_v_u64m1, + vzext_vf, + LOOP_UNARY_BODY_X16) + +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v0,v7([^0-9]|$)} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v8,v15} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v16,v23} } } */ +/* { dg-final { scan-assembler-not {vzext\.vf8\s+v24,v31} } } */
