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RISC-V: Relax tail/j to c.j for RV64.

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2019-03-30  Andrew Waterman  <andrew@sifive.com>
	bfd/
	* elfnn-riscv.c (_bfd_riscv_relax_call): Only check ARCH_SIZE for
	rd == X_RA case.
This commit is contained in:
Jim Wilson 2019-03-30 10:12:12 -07:00
parent 7734102d6d
commit ae2b14c73c
2 changed files with 10 additions and 2 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2019-03-30 Andrew Waterman <andrew@sifive.com>
* elfnn-riscv.c (_bfd_riscv_relax_call): Only check ARCH_SIZE for
rd == X_RA case.
2019-03-29 Max Filippov <jcmvbkbc@gmail.com>
* elf32-xtensa.c (shrink_dynamic_reloc_sections): Add

7
bfd/elfnn-riscv.c
View File

@ -3416,9 +3416,12 @@ _bfd_riscv_relax_call (bfd *abfd, asection *sec, asection *sym_sec,
auipc = bfd_get_32 (abfd, contents + rel->r_offset);
jalr = bfd_get_32 (abfd, contents + rel->r_offset + 4);
rd = (jalr >> OP_SH_RD) & OP_MASK_RD;
rvc = rvc && VALID_RVC_J_IMM (foff) && ARCH_SIZE == 32;
rvc = rvc && VALID_RVC_J_IMM (foff);
if (rvc && (rd == 0 || rd == X_RA))
/* C.J exists on RV32 and RV64, but C.JAL is RV32-only. */
rvc = rvc && (rd == 0 || (rd == X_RA && ARCH_SIZE == 32));
if (rvc)
{
/* Relax to C.J[AL] rd, addr. */
r_type = R_RISCV_RVC_JUMP;