From 53e07674f9347ff2c4416de4035b5956e918a542 Mon Sep 17 00:00:00 2001 From: Eric Botcazou Date: Fri, 8 Feb 2019 10:37:15 +0000 Subject: [PATCH] backport: re PR target/85755 (PowerPC Gcc's -mupdate produces inefficient code on power8/power9 machines) Backport from mainline 2018-06-11 Segher Boessenkool PR target/85755 * config/rs6000/rs6000.md (*movdi_internal32): Put constraint modifiers on the correct operand. (*movdi_internal64): Ditto. From-SVN: r268670 --- gcc/ChangeLog | 10 ++++++++++ gcc/config/rs6000/rs6000.md | 24 ++++++++++++------------ 2 files changed, 22 insertions(+), 12 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7c5ddb5fcc6f..91dbf9962adf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +2019-02-08 Eric Botcazou + + Backport from mainline + 2018-06-11 Segher Boessenkool + + PR target/85755 + * config/rs6000/rs6000.md (*movdi_internal32): Put constraint modifiers + on the correct operand. + (*movdi_internal64): Ditto. + 2019-02-06 Kelvin Nilsen Backport from mainline. diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index cfa96a4b4714..1e94214d0e6e 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -8564,16 +8564,16 @@ (define_insn "*movdi_internal32" [(set (match_operand:DI 0 "rs6000_nonimmediate_operand" - "=Y, r, r, ^m, ^d, ^d, - r, ^wY, $Z, ^wb, $wv, ^wi, + "=Y, r, r, m, ^d, ^d, + r, wY, Z, ^wb, $wv, ^wi, *wo, *wo, *wv, *wi, *wi, *wv, *wv") (match_operand:DI 1 "input_operand" - "r, Y, r, d, m, d, - IJKnGHF, wb, wv, wY, Z, wi, - Oj, wM, OjwM, Oj, wM, wS, - wB"))] + "r, Y, r, ^d, m, ^d, + IJKnGHF, ^wb, $wv, wY, Z, ^wi, + Oj, wM, OjwM, Oj, wM, wS, + wB"))] "! TARGET_POWERPC64 && (gpc_reg_operand (operands[0], DImode) @@ -8641,17 +8641,17 @@ (define_insn "*movdi_internal64" [(set (match_operand:DI 0 "nonimmediate_operand" "=YZ, r, r, r, r, r, - ^m, ^d, ^d, ^wY, $Z, $wb, + m, ^d, ^d, wY, Z, $wb, $wv, ^wi, *wo, *wo, *wv, *wi, *wi, *wv, *wv, r, *h, *h, ?*r, ?*wg, ?*r, ?*wj") (match_operand:DI 1 "input_operand" - "r, YZ, r, I, L, nF, - d, m, d, wb, wv, wY, - Z, wi, Oj, wM, OjwM, Oj, - wM, wS, wB, *h, r, 0, - wg, r, wj, r"))] + "r, YZ, r, I, L, nF, + ^d, m, ^d, ^wb, $wv, wY, + Z, ^wi, Oj, wM, OjwM, Oj, + wM, wS, wB, *h, r, 0, + wg, r, wj, r"))] "TARGET_POWERPC64 && (gpc_reg_operand (operands[0], DImode) -- 2.47.2