From: Andrea Corallo Date: Thu, 17 Sep 2020 16:17:52 +0000 (+0100) Subject: aarch64: Do not alter value on a force_reg returned rtx expanding __jcvt X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2c62952f8160bdc8d4111edb34a4bc75096c1e05;p=gcc.git aarch64: Do not alter value on a force_reg returned rtx expanding __jcvt 2020-09-17 Andrea Corallo * config/aarch64/aarch64-builtins.c (aarch64_general_expand_builtin): Use expand machinery not to alter the value of an rtx returned by force_reg. --- diff --git a/gcc/config/aarch64/aarch64-builtins.c b/gcc/config/aarch64/aarch64-builtins.c index 2f4753b25cc..1cfb5c07d70 100644 --- a/gcc/config/aarch64/aarch64-builtins.c +++ b/gcc/config/aarch64/aarch64-builtins.c @@ -2140,14 +2140,14 @@ aarch64_general_expand_builtin (unsigned int fcode, tree exp, rtx target, return target; case AARCH64_JSCVT: - arg0 = CALL_EXPR_ARG (exp, 0); - op0 = force_reg (DFmode, expand_normal (arg0)); - if (!target) - target = gen_reg_rtx (SImode); - else - target = force_reg (SImode, target); - emit_insn (GEN_FCN (CODE_FOR_aarch64_fjcvtzs) (target, op0)); - return target; + { + expand_operand ops[2]; + create_output_operand (&ops[0], target, SImode); + op0 = expand_normal (CALL_EXPR_ARG (exp, 0)); + create_input_operand (&ops[1], op0, DFmode); + expand_insn (CODE_FOR_aarch64_fjcvtzs, 2, ops); + return ops[0].value; + } case AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF: case AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF: