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| author | Xi Ruoyao <xry111@xry111.site> | 2024-01-25 23:49:13 +0800 |
|---|---|---|
| committer | Xi Ruoyao <xry111@xry111.site> | 2024-03-05 21:03:17 +0800 |
| commit | f628a30f4dbdee9b4531314d72c7762f1fbcf8ff (patch) | |
| tree | 6ea9cfa7ff83da8ccce7590ddb4501c167a511a1 /gcc | |
| parent | 49a1a340ea0eef681f23b6861f3cdb6840aadd99 (diff) | |
| download | gcc-f628a30f4dbdee9b4531314d72c7762f1fbcf8ff.zip gcc-f628a30f4dbdee9b4531314d72c7762f1fbcf8ff.tar.gz gcc-f628a30f4dbdee9b4531314d72c7762f1fbcf8ff.tar.bz2 | |
LoongArch: Allow s9 as a register alias
The psABI allows using s9 as an alias of r22.
gcc/ChangeLog:
* config/loongarch/loongarch.h (ADDITIONAL_REGISTER_NAMES): Add
s9 as an alias of r22.
gcc/testsuite/ChangeLog:
* gcc.target/loongarch/regname-fp-s9.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/loongarch/loongarch.h | 1 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/loongarch/regname-fp-s9.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/gcc/config/loongarch/loongarch.h b/gcc/config/loongarch/loongarch.h index 8b453ab..bf2351f 100644 --- a/gcc/config/loongarch/loongarch.h +++ b/gcc/config/loongarch/loongarch.h @@ -931,6 +931,7 @@ typedef struct { { "t8", 20 + GP_REG_FIRST }, \ { "x", 21 + GP_REG_FIRST }, \ { "fp", 22 + GP_REG_FIRST }, \ + { "s9", 22 + GP_REG_FIRST }, \ { "s0", 23 + GP_REG_FIRST }, \ { "s1", 24 + GP_REG_FIRST }, \ { "s2", 25 + GP_REG_FIRST }, \ diff --git a/gcc/testsuite/gcc.target/loongarch/regname-fp-s9.c b/gcc/testsuite/gcc.target/loongarch/regname-fp-s9.c new file mode 100644 index 0000000..d2e3b80 --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/regname-fp-s9.c @@ -0,0 +1,3 @@ +/* { dg-do compile } */ +register long s9 asm("s9"); /* { dg-note "conflicts with 's9'" } */ +register long fp asm("fp"); /* { dg-warning "register of 'fp' used for multiple global register variables" } */ |