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From: Carl L. <ca...@so...> - 2021-09-07 18:39:35
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=9aaeafa70c5126b22857485449f8d5eeb1d9c527 commit 9aaeafa70c5126b22857485449f8d5eeb1d9c527 Author: Carl Love <ce...@us...> Date: Tue Sep 7 17:15:38 2021 +0000 Update the expected output for test_isa_3_1_VRT. The inputs into the vinsdlx,vinsdrx instructions changed as a result of the impossible constraint issue fix. This patch updates the expected results. https://bugs.kde.org/show_bug.cgi?id=441534 Diff: --- NEWS | 1 + none/tests/ppc64/test_isa_3_1_VRT.stdout.exp | 72 ++++++++++++++-------------- 2 files changed, 37 insertions(+), 36 deletions(-) diff --git a/NEWS b/NEWS index f869343326..ce182030f0 100644 --- a/NEWS +++ b/NEWS @@ -54,6 +54,7 @@ are not entered into bugzilla tend to get forgotten about or ignored. 432387 s390x: z15 instructions support 440906 Fix impossible constraint issue in P10 testcase. 441512 Remove a unneeded / unnecessary prefix check. +441534 Update the expected output for test_isa_3_1_VRT. To see details of a given bug, visit https://bugs.kde.org/show_bug.cgi?id=XXXXXX diff --git a/none/tests/ppc64/test_isa_3_1_VRT.stdout.exp b/none/tests/ppc64/test_isa_3_1_VRT.stdout.exp index 39c4d86197..8f04ee2cbb 100644 --- a/none/tests/ppc64/test_isa_3_1_VRT.stdout.exp +++ b/none/tests/ppc64/test_isa_3_1_VRT.stdout.exp @@ -6798,24 +6798,24 @@ vinsdlx 0 4 => 4,1111111111111111 vinsdlx 0 6 => 6,1111111111111111 vinsdlx 0 8 => 8,1111111111111111 vinsdlx 0 a => a,1111111111111111 -vinsdlx 4 0 => 1111111100000000,0000000011111111 -vinsdlx 4 2 => 1111111100000000,0000000211111111 -vinsdlx 4 4 => 1111111100000000,0000000411111111 -vinsdlx 4 6 => 1111111100000000,0000000611111111 -vinsdlx 4 8 => 1111111100000000,0000000811111111 -vinsdlx 4 a => 1111111100000000,0000000a11111111 -vinsdlx 8 0 => 1111111111111111,0000000000000000 -vinsdlx 8 2 => 1111111111111111,0000000000000002 -vinsdlx 8 4 => 1111111111111111,0000000000000004 -vinsdlx 8 6 => 1111111111111111,0000000000000006 -vinsdlx 8 8 => 1111111111111111,0000000000000008 -vinsdlx 8 a => 1111111111111111,000000000000000a -vinsdlx 3 0 => 1111110000000000,0000001111111111 -vinsdlx 3 2 => 1111110000000000,0000021111111111 -vinsdlx 3 4 => 1111110000000000,0000041111111111 -vinsdlx 3 6 => 1111110000000000,0000061111111111 -vinsdlx 3 8 => 1111110000000000,0000081111111111 -vinsdlx 3 a => 1111110000000000,00000a1111111111 +vinsdlx 6 0 => 1111111111110000,0000000000001111 +vinsdlx 6 2 => 1111111111110000,0000000000021111 +vinsdlx 6 4 => 1111111111110000,0000000000041111 +vinsdlx 6 6 => 1111111111110000,0000000000061111 +vinsdlx 6 8 => 1111111111110000,0000000000081111 +vinsdlx 6 a => 1111111111110000,00000000000a1111 +vinsdlx 6 0 => 1111111111110000,0000000000001111 +vinsdlx 6 2 => 1111111111110000,0000000000021111 +vinsdlx 6 4 => 1111111111110000,0000000000041111 +vinsdlx 6 6 => 1111111111110000,0000000000061111 +vinsdlx 6 8 => 1111111111110000,0000000000081111 +vinsdlx 6 a => 1111111111110000,00000000000a1111 +vinsdlx 2 0 => 1111000000000000,0000111111111111 +vinsdlx 2 2 => 1111000000000000,0002111111111111 +vinsdlx 2 4 => 1111000000000000,0004111111111111 +vinsdlx 2 6 => 1111000000000000,0006111111111111 +vinsdlx 2 8 => 1111000000000000,0008111111111111 +vinsdlx 2 a => 1111000000000000,000a111111111111 vinsdrx 0 0 => 1111111111111111,0000000000000000 vinsdrx 0 2 => 1111111111111111,0000000000000002 @@ -6823,24 +6823,24 @@ vinsdrx 0 4 => 1111111111111111,0000000000000004 vinsdrx 0 6 => 1111111111111111,0000000000000006 vinsdrx 0 8 => 1111111111111111,0000000000000008 vinsdrx 0 a => 1111111111111111,000000000000000a -vinsdrx 4 0 => 1111111100000000,0000000011111111 -vinsdrx 4 2 => 1111111100000000,0000000211111111 -vinsdrx 4 4 => 1111111100000000,0000000411111111 -vinsdrx 4 6 => 1111111100000000,0000000611111111 -vinsdrx 4 8 => 1111111100000000,0000000811111111 -vinsdrx 4 a => 1111111100000000,0000000a11111111 -vinsdrx 8 0 => 0,1111111111111111 -vinsdrx 8 2 => 2,1111111111111111 -vinsdrx 8 4 => 4,1111111111111111 -vinsdrx 8 6 => 6,1111111111111111 -vinsdrx 8 8 => 8,1111111111111111 -vinsdrx 8 a => a,1111111111111111 -vinsdrx 3 0 => 1111111111000000,0000000000111111 -vinsdrx 3 2 => 1111111111000000,0000000002111111 -vinsdrx 3 4 => 1111111111000000,0000000004111111 -vinsdrx 3 6 => 1111111111000000,0000000006111111 -vinsdrx 3 8 => 1111111111000000,0000000008111111 -vinsdrx 3 a => 1111111111000000,000000000a111111 +vinsdrx 6 0 => 1111000000000000,0000111111111111 +vinsdrx 6 2 => 1111000000000000,0002111111111111 +vinsdrx 6 4 => 1111000000000000,0004111111111111 +vinsdrx 6 6 => 1111000000000000,0006111111111111 +vinsdrx 6 8 => 1111000000000000,0008111111111111 +vinsdrx 6 a => 1111000000000000,000a111111111111 +vinsdrx 6 0 => 1111000000000000,0000111111111111 +vinsdrx 6 2 => 1111000000000000,0002111111111111 +vinsdrx 6 4 => 1111000000000000,0004111111111111 +vinsdrx 6 6 => 1111000000000000,0006111111111111 +vinsdrx 6 8 => 1111000000000000,0008111111111111 +vinsdrx 6 a => 1111000000000000,000a111111111111 +vinsdrx 2 0 => 1111111111110000,0000000000001111 +vinsdrx 2 2 => 1111111111110000,0000000000021111 +vinsdrx 2 4 => 1111111111110000,0000000000041111 +vinsdrx 2 6 => 1111111111110000,0000000000061111 +vinsdrx 2 8 => 1111111111110000,0000000000081111 +vinsdrx 2 a => 1111111111110000,00000000000a1111 vinsd 3 0 => 1111110000000000,0000001111111111 vinsd 3 2 => 1111110000000000,0000021111111111 |
|
From: Carl L. <ca...@so...> - 2021-09-07 18:36:01
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=733aba84822efe101a098446079b4798f1b51faf commit 733aba84822efe101a098446079b4798f1b51faf Author: Carl Love <ce...@us...> Date: Fri Sep 3 17:14:50 2021 +0000 Fix impossible constraint issue in P10 testcase. This reworks the modulo operation as seen in valgrind/none/tests/ppc64/test_isa_3_1_common.c: initialize_source_registers(). Due to a GCC issue (PR101882), we will try to avoid a modulo operation with both input and outputs set to a hard register. In this case, we can apply the modulo operation to the args[] array value used to initialize the ra value. https://bugs.kde.org/show_bug.cgi?id=440906 Diff: --- NEWS | 1 + none/tests/ppc64/test_isa_3_1_common.c | 9 +++++++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/NEWS b/NEWS index 5643be5e47..f869343326 100644 --- a/NEWS +++ b/NEWS @@ -52,6 +52,7 @@ are not entered into bugzilla tend to get forgotten about or ignored. 439590 glibc-2.34 breaks suppressions against obj:*/lib*/libc-2.*so* 440670 unhandled ppc64le-linux syscall: 252 (statfs64) and 253 (fstatfs64) 432387 s390x: z15 instructions support +440906 Fix impossible constraint issue in P10 testcase. 441512 Remove a unneeded / unnecessary prefix check. To see details of a given bug, visit diff --git a/none/tests/ppc64/test_isa_3_1_common.c b/none/tests/ppc64/test_isa_3_1_common.c index 8222a857fc..7c3dc6f009 100644 --- a/none/tests/ppc64/test_isa_3_1_common.c +++ b/none/tests/ppc64/test_isa_3_1_common.c @@ -2263,8 +2263,13 @@ void initialize_source_registers () { if (has_ra) ra = 4*vrai; if (is_insert_double) { /* For an insert_double, the results are undefined - for ra > 8, so modulo those into a valid range. */ - ra = ra % 9; + for ra > 8, so modulo those into a valid range. + Since ra is defined as a hard register, and due to gcc + issue (PR101882) where a modulo operation fails with + both input and output regs set to a hard register, this + assignment references the args[] array again, versus + ra = ra % 9;. */ + ra = args[vrai] % 9; } } |
|
From: Carl L. <ca...@so...> - 2021-09-07 18:32:13
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=041f6c19a0cd40fe684571c380399be518b8d6b2 commit 041f6c19a0cd40fe684571c380399be518b8d6b2 Author: Carl Love <ce...@us...> Date: Fri Sep 3 16:36:31 2021 +0000 Remove a unneeded / unnecessary prefix check. The pstxvp instruction is valid for R=1, i.e. use pc relative addressing. The test should have been remmoved before committing the ISA 3.1 support. https://bugs.kde.org/show_bug.cgi?id=441512 Diff: --- NEWS | 1 + VEX/priv/guest_ppc_toIR.c | 6 ------ 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/NEWS b/NEWS index 66a4b8d8bc..5643be5e47 100644 --- a/NEWS +++ b/NEWS @@ -52,6 +52,7 @@ are not entered into bugzilla tend to get forgotten about or ignored. 439590 glibc-2.34 breaks suppressions against obj:*/lib*/libc-2.*so* 440670 unhandled ppc64le-linux syscall: 252 (statfs64) and 253 (fstatfs64) 432387 s390x: z15 instructions support +441512 Remove a unneeded / unnecessary prefix check. To see details of a given bug, visit https://bugs.kde.org/show_bug.cgi?id=XXXXXX diff --git a/VEX/priv/guest_ppc_toIR.c b/VEX/priv/guest_ppc_toIR.c index f223fe9456..57ac7bcf48 100644 --- a/VEX/priv/guest_ppc_toIR.c +++ b/VEX/priv/guest_ppc_toIR.c @@ -14563,12 +14563,6 @@ static Bool dis_fp_pair_prefix ( UInt prefix, UInt theInstr ) pDIP( is_prefix, "stxvp %u,%llu(%u)\n", XTp, immediate_val, rA_addr ); DIPp( is_prefix, ",%u", R ); - if ( R == 1 ) { - vex_printf("Illegal instruction R = 1; pstxvp %u,%llu(%u)\n", - XTp, immediate_val, rA_addr ); - return False; - } - assign( EA_8, binop( Iop_Add64, mkU64( 8 ), mkexpr( EA ) ) ); assign( EA_16, binop( Iop_Add64, mkU64( 16 ), mkexpr( EA ) ) ); assign( EA_24, binop( Iop_Add64, mkU64( 24 ), mkexpr( EA ) ) ); |