[24/44] RISC-V/testsuite: Add branchless cases for T-Head non-equality cond moves

Message ID	alpine.DEB.2.20.2311181827560.5892@tpp.orcam.me.uk
State	New
Headers	show Return-Path: <gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org> DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 17703385829B Date: Sun, 19 Nov 2023 05:40:26 +0000 (GMT) From: "Maciej W. Rozycki" <macro@embecosm.com> To: gcc-patches@gcc.gnu.org cc: Andrew Waterman <andrew@sifive.com>, Jim Wilson <jim.wilson.gcc@gmail.com>, Kito Cheng <kito.cheng@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com> Subject: [PATCH 24/44] RISC-V/testsuite: Add branchless cases for T-Head non-equality cond moves In-Reply-To: <alpine.DEB.2.20.2311171315580.5892@tpp.orcam.me.uk> Message-ID: <alpine.DEB.2.20.2311181827560.5892@tpp.orcam.me.uk> References: <alpine.DEB.2.20.2311171315580.5892@tpp.orcam.me.uk> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: list Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org
Series	RISC-V: Various if-conversion fixes and improvements \| expand [00/44] RISC-V: Various if-conversion fixes and improvements [13/44] RISC-V/testsuite: Add branchless cases for FP cond-move operations [01/44] testsuite: Add cases for conditional-move and conditional-add operations [02/44] RISC-V/testsuite: Add cases for integer SFB cond-move operations [03/44] RISC-V: Reorder comment on SFB patterns [04/44] RISC-V: Sanitise NEED_EQ_NE_P case with `riscv_emit_int_compare' [05/44] RISC-V: Fix `mode' usage in `riscv_expand_conditional_move' [06/44] RISC-V: Avoid repeated GET_MODE calls in `riscv_expand_conditional_move' [07/44] RISC-V: Use `nullptr' in `riscv_expand_conditional_move' [08/44] RISC-V: Simplify EQ vs NE selection in `riscv_expand_conditional_move' [09/44] RISC-V: Rework branch costing model for if-conversion [10/44] RISC-V/testsuite: Add branched cases for integer cond-move operations [11/44] RISC-V/testsuite: Add branchless cases for integer cond-move operations [12/44] RISC-V/testsuite: Add branched cases for FP cond-move operations [14/44] RISC-V: Also invert the cond-move condition for GEU and LEU [15/44] RISC-V/testsuite: Add branched cases for GEU and LEU cond-move operations [16/44] RISC-V/testsuite: Add branchless cases for GEU and LEU cond-move operations [17/44] RISC-V: Avoid extraneous EQ or NE operation in cond-move expansion [18/44] RISC-V/testsuite: Add branched cases for equality cond-move operations [19/44] RISC-V/testsuite: Add branchless cases for equality cond-move operations [20/44] RISC-V: Also accept constants for T-Head cond-move comparison operands [21/44] RISC-V: Also accept constants for T-Head cond-move data input operands [22/44] RISC-V: Fold all the cond-move variants together [23/44] RISC-V/testsuite: Add branched cases for T-Head non-equality cond moves [24/44] RISC-V/testsuite: Add branchless cases for T-Head non-equality cond moves [25/44] RISC-V: Implement `riscv_emit_unary' helper [26/44] RISC-V: Add `movMODEcc' implementation for generic targets [27/44] RISC-V/testsuite: Add branched cases for generic integer cond moves [28/44] RISC-V/testsuite: Add branchless cases for generic integer cond moves [29/44] RISC-V: Add `addMODEcc' implementation for generic targets [30/44] RISC-V/testsuite: Add branched cases for generic integer cond adds [31/44] RISC-V/testsuite: Add branchless cases for generic integer cond adds [32/44] RISC-V: Only use SUBREG if applicable in `riscv_expand_float_scc' [33/44] RISC-V: Also allow FP conditions in `riscv_expand_conditional_move' [34/44] RISC-V: Provide FP conditional-branch instructions for if-conversion [35/44] RISC-V: Avoid extraneous integer comparison for FP comparisons [36/44] RISC-V/testsuite: Add branched cases for generic FP cond moves [37/44] RISC-V/testsuite: Add branchless cases for generic FP cond moves [38/44] RISC-V/testsuite: Add branched cases for generic FP cond adds [39/44] RISC-V/testsuite: Add branchless cases for generic FP cond adds [40/44] RISC-V: Handle FP NE operator via inversion in cond-operation expansion [41/44] RISC-V/testsuite: Add branched cases for FP NE cond-move operations [42/44] RISC-V/testsuite: Add branched cases for FP NE cond-move operations [43/44] RISC-V/testsuite: Add branched cases for FP NE cond-add operation [44/44] RISC-V/testsuite: Add branchless cases for FP NE cond-add operation

Index: gcc/gcc/testsuite/gcc.target/riscv/movdige-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movdige-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target rv64 } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" } */ + +typedef int __attribute__ ((mode (DI))) int_t; + +int_t +movdige (int_t w, int_t x, int_t y, int_t z) +{ + return w >= x ? y : z; +} + +/* Expect branchless assembly like: + + slt a0,a0,a1 + th.mvnez a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgt|slt)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bge|bgt|ble|blt)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movdigeu-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movdigeu-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target rv64 } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" } */ + +typedef unsigned int __attribute__ ((mode (DI))) int_t; + +int_t +movdigeu (int_t w, int_t x, int_t y, int_t z) +{ + return w >= x ? y : z; +} + +/* Expect branchless assembly like: + + sltu a0,a0,a1 + th.mvnez a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgtu|sltu)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bgeu|bgtu|bleu|bltu)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movdigt-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movdigt-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target rv64 } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" } */ + +typedef int __attribute__ ((mode (DI))) int_t; + +int_t +movdigt (int_t w, int_t x, int_t y, int_t z) +{ + return w > x ? y : z; +} + +/* Expect branchless assembly like: + + sgt a0,a0,a1 + th.mveqz a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgt|slt)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bge|bgt|ble|blt)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movdigtu-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movdigtu-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target rv64 } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" } */ + +typedef unsigned int __attribute__ ((mode (DI))) int_t; + +int_t +movdigtu (int_t w, int_t x, int_t y, int_t z) +{ + return w > x ? y : z; +} + +/* Expect branchless assembly like: + + sgtu a0,a0,a1 + th.mveqz a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgtu|sltu)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bgeu|bgtu|bleu|bltu)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movdile-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movdile-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target rv64 } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" } */ + +typedef int __attribute__ ((mode (DI))) int_t; + +int_t +movdile (int_t w, int_t x, int_t y, int_t z) +{ + return w <= x ? y : z; +} + +/* Expect branchless assembly like: + + sgt a0,a0,a1 + th.mvnez a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgt|slt)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bge|bgt|ble|blt)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movdileu-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movdileu-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target rv64 } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" } */ + +typedef unsigned int __attribute__ ((mode (DI))) int_t; + +int_t +movdileu (int_t w, int_t x, int_t y, int_t z) +{ + return w <= x ? y : z; +} + +/* Expect branchless assembly like: + + sgtu a0,a0,a1 + th.mvnez a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgtu|sltu)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bgeu|bgtu|bleu|bltu)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movdilt-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movdilt-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target rv64 } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" } */ + +typedef int __attribute__ ((mode (DI))) int_t; + +int_t +movdilt (int_t w, int_t x, int_t y, int_t z) +{ + return w < x ? y : z; +} + +/* Expect branchless assembly like: + + slt a0,a0,a1 + th.mveqz a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgt|slt)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bge|bgt|ble|blt)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movdiltu-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movdiltu-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target rv64 } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" } */ + +typedef unsigned int __attribute__ ((mode (DI))) int_t; + +int_t +movdiltu (int_t w, int_t x, int_t y, int_t z) +{ + return w < x ? y : z; +} + +/* Expect branchless assembly like: + + sltu a0,a0,a1 + th.mveqz a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgtu|sltu)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bgeu|bgtu|bleu|bltu)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movsige-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movsige-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv64 } } } */ +/* { dg-options "-march=rv32gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv32 } } } */ + +typedef int __attribute__ ((mode (SI))) int_t; + +int_t +movsige (int_t w, int_t x, int_t y, int_t z) +{ + return w >= x ? y : z; +} + +/* Expect branchless assembly like: + + slt a0,a0,a1 + th.mvnez a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgt|slt)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bge|bgt|ble|blt)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movsigeu-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movsigeu-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv64 } } } */ +/* { dg-options "-march=rv32gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv32 } } } */ + +typedef unsigned int __attribute__ ((mode (SI))) int_t; + +int_t +movsigeu (int_t w, int_t x, int_t y, int_t z) +{ + return w >= x ? y : z; +} + +/* Expect branchless assembly like: + + sltu a0,a0,a1 + th.mvnez a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgtu|sltu)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bgeu|bgtu|bleu|bltu)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movsigt-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movsigt-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv64 } } } */ +/* { dg-options "-march=rv32gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv32 } } } */ + +typedef int __attribute__ ((mode (SI))) int_t; + +int_t +movsigt (int_t w, int_t x, int_t y, int_t z) +{ + return w > x ? y : z; +} + +/* Expect branchless assembly like: + + sgt a0,a0,a1 + th.mveqz a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgt|slt)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bge|bgt|ble|blt)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movsigtu-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movsigtu-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv64 } } } */ +/* { dg-options "-march=rv32gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv32 } } } */ + +typedef unsigned int __attribute__ ((mode (SI))) int_t; + +int_t +movsigtu (int_t w, int_t x, int_t y, int_t z) +{ + return w > x ? y : z; +} + +/* Expect branchless assembly like: + + sgtu a0,a0,a1 + th.mveqz a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgtu|sltu)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bgeu|bgtu|bleu|bltu)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movsile-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movsile-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv64 } } } */ +/* { dg-options "-march=rv32gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv32 } } } */ + +typedef int __attribute__ ((mode (SI))) int_t; + +int_t +movsile (int_t w, int_t x, int_t y, int_t z) +{ + return w <= x ? y : z; +} + +/* Expect branchless assembly like: + + sgt a0,a0,a1 + th.mvnez a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgt|slt)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bge|bgt|ble|blt)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movsileu-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movsileu-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv64 } } } */ +/* { dg-options "-march=rv32gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv32 } } } */ + +typedef unsigned int __attribute__ ((mode (SI))) int_t; + +int_t +movsileu (int_t w, int_t x, int_t y, int_t z) +{ + return w <= x ? y : z; +} + +/* Expect branchless assembly like: + + sgtu a0,a0,a1 + th.mvnez a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgtu|sltu)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bgeu|bgtu|bleu|bltu)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movsilt-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movsilt-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv64 } } } */ +/* { dg-options "-march=rv32gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv32 } } } */ + +typedef int __attribute__ ((mode (SI))) int_t; + +int_t +movsilt (int_t w, int_t x, int_t y, int_t z) +{ + return w < x ? y : z; +} + +/* Expect branchless assembly like: + + slt a0,a0,a1 + th.mveqz a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgt|slt)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bge|bgt|ble|blt)\\s" } } */ Index: gcc/gcc/testsuite/gcc.target/riscv/movsiltu-thead.c =================================================================== --- /dev/null +++ gcc/gcc/testsuite/gcc.target/riscv/movsiltu-thead.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" } } */ +/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv64 } } } */ +/* { dg-options "-march=rv32gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=2 -fdump-rtl-ce1" { target { rv32 } } } */ + +typedef unsigned int __attribute__ ((mode (SI))) int_t; + +int_t +movsiltu (int_t w, int_t x, int_t y, int_t z) +{ + return w < x ? y : z; +} + +/* Expect branchless assembly like: + + sltu a0,a0,a1 + th.mveqz a2,a3,a0 + mv a0,a2 + */ + +/* { dg-final { scan-rtl-dump-times "Conversion succeeded on pass 1\\." 1 "ce1" } } */ +/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove" 1 "ce1" } } */ +/* { dg-final { scan-assembler-times "\\s(?:sgtu|sltu)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\s(?:seqz|snez)\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:bgeu|bgtu|bleu|bltu)\\s" } } */

[24/44] RISC-V/testsuite: Add branchless cases for T-Head non-equality cond moves

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