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| author | Jiong Wang <jiong.wang@arm.com> | 2015-08-06 16:02:16 +0000 |
|---|---|---|
| committer | Jiong Wang <jiwang@gcc.gnu.org> | 2015-08-06 16:02:16 +0000 |
| commit | 201fa0b3a0a4aaf53ec0bcd154f40e2f63a8d960 (patch) | |
| tree | ad6616b323a6c79aa67122fe5416dae671ebc3af /gcc | |
| parent | b60d63cbaee16a95790c09dd6c23e346639ee180 (diff) | |
| download | gcc-201fa0b3a0a4aaf53ec0bcd154f40e2f63a8d960.zip gcc-201fa0b3a0a4aaf53ec0bcd154f40e2f63a8d960.tar.gz gcc-201fa0b3a0a4aaf53ec0bcd154f40e2f63a8d960.tar.bz2 | |
[AArch64] Tighten direct call pattern for sibcall to repair -fno-plt
2015-08-06 Jiong Wang <jiong.wang@arm.com>
gcc/
* config/aarch64/constraints.md (Usf): Add the test of
aarch64_is_noplt_call_p.
gcc/testsuite/
* gcc.target/aarch64/noplt_3.c: New testcase.
From-SVN: r226682
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/aarch64/constraints.md | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/aarch64/noplt_3.c | 20 |
4 files changed, 32 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2b364ce..795867a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2015-08-06 Jiong Wang <jiong.wang@arm.com> + * config/aarch64/constraints.md (Usf): Add the test of + aarch64_is_noplt_call_p. + +2015-08-06 Jiong Wang <jiong.wang@arm.com> + * config/aarch64/aarch64-protos.h (aarch64_is_noplt_call_p): New declaration. * config/aarch64/aarch64.c (aarch64_is_noplt_call_p): New function. * config/aarch64/aarch64.md (call_value_symbol): Check noplt scenarios. diff --git a/gcc/config/aarch64/constraints.md b/gcc/config/aarch64/constraints.md index 5b189ea..9dc2108 100644 --- a/gcc/config/aarch64/constraints.md +++ b/gcc/config/aarch64/constraints.md @@ -101,8 +101,9 @@ (match_test "(unsigned HOST_WIDE_INT) ival < 64"))) (define_constraint "Usf" - "@internal Usf is a symbol reference." - (match_code "symbol_ref")) + "@internal Usf is a symbol reference under the context where plt stub allowed." + (and (match_code "symbol_ref") + (match_test "!aarch64_is_noplt_call_p (op)"))) (define_constraint "UsM" "@internal diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index fb3bf07..0cd004b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2015-08-06 Jiong Wang <jiong.wang@arm.com> + * gcc.target/aarch64/noplt_3.c: New testcase. + +2015-08-06 Jiong Wang <jiong.wang@arm.com> + * gcc.target/aarch64/noplt_1.c: New testcase. * gcc.target/aarch64/noplt_2.c: Likewise. diff --git a/gcc/testsuite/gcc.target/aarch64/noplt_3.c b/gcc/testsuite/gcc.target/aarch64/noplt_3.c new file mode 100644 index 0000000..c1993b6 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/noplt_3.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fpic -fno-plt" } */ +/* { dg-skip-if "-mcmodel=large, no support for -fpic" { aarch64-*-* } { "-mcmodel=large" } { "" } } */ + +int dec (int); + +int +cal (int a) +{ + return dec (a); +} + +void +cal_novalue (int a) +{ + dec (a); +} + +/* { dg-final { scan-assembler-times "#:got:" 2 { target { aarch64_tiny || aarch64_small } } } } */ +/* { dg-final { scan-assembler-times "#:got_lo12:" 2 { target aarch64_small } } } */ |