* [musl] [PATCH] mips: use `jr $ra` instead of `j $ra` to work around an LLVM assembler bug
@ 2024-09-18 1:18 Alex Rønne Petersen
0 siblings, 0 replies; only message in thread
From: Alex Rønne Petersen @ 2024-09-18 1:18 UTC (permalink / raw)
To: musl; +Cc: Alex Rønne Petersen
Details here: https://github.com/llvm/llvm-project/issues/107460
This patch works around the bug by just using the `jr $ra` form, which also more
precisely indicates the encoding intent anyway.
---
crt/mips/crtn.s | 4 ++--
crt/mips64/crtn.s | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/crt/mips/crtn.s b/crt/mips/crtn.s
index 506a04b7..92eb3d0e 100644
--- a/crt/mips/crtn.s
+++ b/crt/mips/crtn.s
@@ -3,11 +3,11 @@
.section .init
lw $gp,24($sp)
lw $ra,28($sp)
- j $ra
+ jr $ra
addu $sp,$sp,32
.section .fini
lw $gp,24($sp)
lw $ra,28($sp)
- j $ra
+ jr $ra
addu $sp,$sp,32
diff --git a/crt/mips64/crtn.s b/crt/mips64/crtn.s
index f3930b24..8f090ed3 100644
--- a/crt/mips64/crtn.s
+++ b/crt/mips64/crtn.s
@@ -3,11 +3,11 @@
.section .init
ld $gp,16($sp)
ld $ra,24($sp)
- j $ra
+ jr $ra
daddu $sp,$sp,32
.section .fini
ld $gp,16($sp)
ld $ra,24($sp)
- j $ra
+ jr $ra
daddu $sp,$sp,32
--
2.40.1
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