From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1880) id DEDDE385840B; Sat, 30 Jul 2022 04:14:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DEDDE385840B MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Max Filippov To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-1898] xtensa: Fix conflicting hard regno between indirect sibcall fixups and EH_RETURN_STACKADJ_RTX X-Act-Checkin: gcc X-Git-Author: Takayuki 'January June' Suwa X-Git-Refname: refs/heads/master X-Git-Oldrev: 48e9954d0865b5e5e31cb77ad05c45f7206eeb9f X-Git-Newrev: 2fa8c4a659a19ec971c80704f48f96c13aae9ac3 Message-Id: <20220730041451.DEDDE385840B@sourceware.org> Date: Sat, 30 Jul 2022 04:14:51 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Jul 2022 04:14:52 -0000 https://gcc.gnu.org/g:2fa8c4a659a19ec971c80704f48f96c13aae9ac3 commit r13-1898-g2fa8c4a659a19ec971c80704f48f96c13aae9ac3 Author: Takayuki 'January June' Suwa Date: Sat Jul 30 04:32:46 2022 +0900 xtensa: Fix conflicting hard regno between indirect sibcall fixups and EH_RETURN_STACKADJ_RTX The hard register A10 was already allocated for EH_RETURN_STACKADJ_RTX. (although exception handling and sibling call may not apply at the same time, but for safety) gcc/ChangeLog: * config/xtensa/xtensa.md: Change hard register number used in the split patterns for indirect sibling call fixups from 10 to 11, the last free one for the CALL0 ABI. Diff: --- gcc/config/xtensa/xtensa.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/gcc/config/xtensa/xtensa.md b/gcc/config/xtensa/xtensa.md index 899ce2755aa..1294aab6c5d 100644 --- a/gcc/config/xtensa/xtensa.md +++ b/gcc/config/xtensa/xtensa.md @@ -25,7 +25,7 @@ (A7_REG 7) (A8_REG 8) (A9_REG 9) - (A10_REG 10) + (A11_REG 11) (UNSPEC_NOP 2) (UNSPEC_PLT 3) @@ -2295,9 +2295,9 @@ "reload_completed && !TARGET_WINDOWED_ABI && SIBLING_CALL_P (insn) && ! call_used_or_fixed_reg_p (REGNO (operands[0]))" - [(set (reg:SI A10_REG) + [(set (reg:SI A11_REG) (match_dup 0)) - (call (mem:SI (reg:SI A10_REG)) + (call (mem:SI (reg:SI A11_REG)) (match_dup 1))]) (define_expand "sibcall_value" @@ -2328,10 +2328,10 @@ "reload_completed && !TARGET_WINDOWED_ABI && SIBLING_CALL_P (insn) && ! call_used_or_fixed_reg_p (REGNO (operands[1]))" - [(set (reg:SI A10_REG) + [(set (reg:SI A11_REG) (match_dup 1)) (set (match_dup 0) - (call (mem:SI (reg:SI A10_REG)) + (call (mem:SI (reg:SI A11_REG)) (match_dup 2)))]) (define_insn "entry"