Big-endian targets need to save Z8-Z15 in the same order as the registers would appear for D8-D15, because the layout is mandated by the EH ABI. BE targets therefore use ST1D instead of the normal STR for those registers (but not for others).
That difference is already tested elsewhere and isn't important for the SME tests. This patch therefore restricts the affected tests to LE. Tested on aarch64-linux-gnu and aarch64_be-elf, pushed to trunk. Richard gcc/testsuite/ * gcc.target/aarch64/sme/call_sm_switch_5.c: Restrict tests that contain Z8-Z23 saves to little-endian. * gcc.target/aarch64/sme/call_sm_switch_8.c: Likewise. * gcc.target/aarch64/sme/locally_streaming_1.c: Likewise. --- gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_5.c | 6 +++--- gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_8.c | 6 +++--- gcc/testsuite/gcc.target/aarch64/sme/locally_streaming_1.c | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_5.c b/gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_5.c index e3d9bc274d8..6238ab80da2 100644 --- a/gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_5.c +++ b/gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_5.c @@ -14,7 +14,7 @@ struct callbacks { }; /* -** n_caller: { target lp64 } +** n_caller: { target { lp64 && aarch64_little_endian } } ** stp x30, (x19|x2[0-8]), \[sp, #?-32\]! ** cntd x16 ** str x16, \[sp, #?16\] @@ -114,7 +114,7 @@ n_caller (struct callbacks *c) } /* -** s_caller: { target lp64 } +** s_caller: { target { lp64 && aarch64_little_endian } } ** stp x30, (x19|x2[0-8]), \[sp, #?-32\]! ** cntd x16 ** str x16, \[sp, #?16\] @@ -214,7 +214,7 @@ s_caller (struct callbacks *c) [[arm::streaming]] } /* -** sc_caller: +** sc_caller: { target aarch64_little_endian } ** stp x29, x30, \[sp, #?-32\]! ** mov x29, sp ** cntd x16 diff --git a/gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_8.c b/gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_8.c index f44724df32f..c909b34ff5e 100644 --- a/gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_8.c +++ b/gcc/testsuite/gcc.target/aarch64/sme/call_sm_switch_8.c @@ -7,7 +7,7 @@ svint8_t produce_z0 (); void consume_z0 (svint8_t); /* -** test_z0: +** test_z0: { target aarch64_little_endian } ** ... ** smstop sm ** bl produce_z0 @@ -32,7 +32,7 @@ svint8x4_t produce_z3 (); void consume_z3 (svint8x4_t); /* -** test_z3: +** test_z3: { target aarch64_little_endian } ** ... ** smstop sm ** bl produce_z3 @@ -61,7 +61,7 @@ svbool_t produce_p0 (); void consume_p0 (svbool_t); /* -** test_p0: +** test_p0: { target aarch64_little_endian } ** ... ** smstop sm ** bl produce_p0 diff --git a/gcc/testsuite/gcc.target/aarch64/sme/locally_streaming_1.c b/gcc/testsuite/gcc.target/aarch64/sme/locally_streaming_1.c index 20ff4b87d94..4bb637f4781 100644 --- a/gcc/testsuite/gcc.target/aarch64/sme/locally_streaming_1.c +++ b/gcc/testsuite/gcc.target/aarch64/sme/locally_streaming_1.c @@ -265,7 +265,7 @@ n_ls_vector_pcs () } /* -** n_ls_sve_pcs: +** n_ls_sve_pcs: { target aarch64_little_endian } ** sub sp, sp, #?16 ** cntd x16 ** str x16, \[sp\] -- 2.25.1