https://gcc.gnu.org/g:ee79e2769671b894f4c4cc98e8c76bbc937f2a51
commit r17-458-gee79e2769671b894f4c4cc98e8c76bbc937f2a51 Author: Naveen <[email protected]> Date: Mon May 11 21:04:38 2026 -0700 [Aarch64]: Make aarch64_output_simd_mov_imm_low return const char * aarch64_output_simd_mov_imm_low emits the instruction directly using output_asm_insn and returns an empty string to indicate that no further template needs to be emitted. Since the returned empty string is a string literal, the function should return const char * rather than char *. This fixes a bootstrap failure with -Werror=write-strings. gcc/ChangeLog: * config/aarch64/aarch64-protos.h (aarch64_output_simd_mov_imm_low): Change return type to const char *. * config/aarch64/aarch64.cc (aarch64_output_simd_mov_imm_low): Likewise. Signed-off-by: Naveen <[email protected]> Diff: --- gcc/config/aarch64/aarch64-protos.h | 2 +- gcc/config/aarch64/aarch64.cc | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/config/aarch64/aarch64-protos.h b/gcc/config/aarch64/aarch64-protos.h index 0798546809de..8d201821e934 100644 --- a/gcc/config/aarch64/aarch64-protos.h +++ b/gcc/config/aarch64/aarch64-protos.h @@ -952,7 +952,7 @@ char *aarch64_output_simd_and_imm (rtx, unsigned); char *aarch64_output_simd_xor_imm (rtx, unsigned); char *aarch64_output_fmov (rtx); -char *aarch64_output_simd_mov_imm_low (rtx *); +const char *aarch64_output_simd_mov_imm_low (rtx *); char *aarch64_output_sve_mov_immediate (rtx); char *aarch64_output_sve_ptrues (rtx); bool aarch64_const_vec_fmov_p (rtx); diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc index 619c2a6d2265..cd5ed154c7ac 100644 --- a/gcc/config/aarch64/aarch64.cc +++ b/gcc/config/aarch64/aarch64.cc @@ -24650,7 +24650,7 @@ aarch64_const_vec_fmov_p (rtx op) /* Output a move of an FP constant vector in which the low register element is materialized using FMOV and all other elements are zero. */ -char * +const char * aarch64_output_simd_mov_imm_low (rtx *operands) { machine_mode mode = GET_MODE (operands[1]);
