From 386b8dcef2d774e9138515814be0fd579ade5af5 Mon Sep 17 00:00:00 2001 From: Mahesh Bodapati Date: Tue, 17 Jan 2017 17:04:37 +0530 Subject: [PATCH 16/54] [Patch, microblaze]: Add cbranchsi4_reg This patch optimizes the generation of pcmpne/pcmpeq instruction if the compare instruction has no immediate values.For the immediate values the xor instruction is generated Signed-off-by: Nagaraju Mekala Signed-off-by: Ajit Agarwal ChangeLog: 2015-01-13 Nagaraju Mekala Ajit Agarwal *microblaze.md (cbranchsi4_reg): New *microblaze.c (microblaze_expand_conditional_branch_reg): New Conflicts: gcc/config/microblaze/microblaze-protos.h --- gcc/config/microblaze/microblaze-protos.h | 2 +- gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c | 2 +- gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c | 2 +- gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c | 2 +- gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c | 2 +- gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c | 14 +++++++------- gcc/testsuite/gcc.target/microblaze/isa/vanilla.c | 12 ++++++------ 7 files changed, 18 insertions(+), 18 deletions(-) diff --git a/gcc/config/microblaze/microblaze-protos.h b/gcc/config/microblaze/microblaze-protos.h index 982b2abd2d4..c2f88813a8d 100644 --- a/gcc/config/microblaze/microblaze-protos.h +++ b/gcc/config/microblaze/microblaze-protos.h @@ -33,7 +33,7 @@ extern int microblaze_expand_shift (rtx *); extern bool microblaze_expand_move (machine_mode, rtx *); extern bool microblaze_expand_block_move (rtx, rtx, rtx, rtx); extern void microblaze_expand_divide (rtx *); -extern void microblaze_expand_conditional_branch (machine_mode, rtx *); +extern void microblaze_expand_conditional_branch (enum machine_mode, rtx *); extern void microblaze_expand_conditional_branch_reg (machine_mode, rtx *); extern void microblaze_expand_conditional_branch_sf (rtx *); extern int microblaze_can_use_return_insn (void); diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c index 4041a241391..ccc6a461cd9 100644 --- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c +++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c @@ -6,5 +6,5 @@ void float_func () { /* { dg-final { scan-assembler "fcmp\.(le|gt)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ if (f2 <= f3) - print ("le"); + f2 = f3; } diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c index 3902b839db9..1dd5fe6c539 100644 --- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c +++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c @@ -6,5 +6,5 @@ void float_func () { /* { dg-final { scan-assembler "fcmp\.(lt|ge)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ if (f2 < f3) - print ("lt"); + f2 = f3; } diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c index 8555974dda5..d6f80fb0ec3 100644 --- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c +++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c @@ -6,5 +6,5 @@ void float_func () { /* { dg-final { scan-assembler "fcmp\.(eq|ne)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ if (f2 == f3) - print ("eq"); + f1 = f2 + f3; } diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c index 79cc5f9dd8e..d1177249552 100644 --- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c +++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c @@ -5,5 +5,5 @@ void float_func(float f1, float f2, float f3) /* { dg-final { scan-assembler "fcmp\.eq\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ /* { dg-final { scan-assembler "fcmp\.le\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ if(f1==f2 && f1<=f3) - print ("f1 eq f2 && f1 le f3"); + f2 = f3; } diff --git a/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c b/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c index ebfb170ecee..75822977ef8 100644 --- a/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c +++ b/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c @@ -5,17 +5,17 @@ volatile float f1, f2, f3; void float_func () { /* { dg-final { scan-assembler-not "fcmp" } } */ - if (f2 <= f3) - print ("le"); + if (f2 <= f3) + f1 = f3; else if (f2 == f3) - print ("eq"); + f1 = f3; else if (f2 < f3) - print ("lt"); + f1 = f3; else if (f2 > f3) - print ("gt"); + f1 = f3; else if (f2 >= f3) - print ("ge"); + f1 = f3; else if (f2 != f3) - print ("ne"); + f1 = f3; } diff --git a/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c b/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c index 1d6ba807b12..532c035adfd 100644 --- a/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c +++ b/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c @@ -74,16 +74,16 @@ void float_cmp_func () { /* { dg-final { scan-assembler-not "fcmp" } } */ if (f2 <= f3) - print ("le"); + f1 = f3; else if (f2 == f3) - print ("eq"); + f1 = f3; else if (f2 < f3) - print ("lt"); + f1 = f3; else if (f2 > f3) - print ("gt"); + f1 = f3; else if (f2 >= f3) - print ("ge"); + f1 = f3; else if (f2 != f3) - print ("ne"); + f1 = f3; } -- 2.17.1