Re: [Patch,microblaze]: Optimized usage of fint instruction.
On 03/04/2015 08:20 AM, Michael Eager wrote: On 03/04/15 03:53, Ajit Kumar Agarwal wrote: -Original Message- From: Michael Eager [mailto:ea...@eagerm.com] Sent: Thursday, February 26, 2015 4:33 AM To: Ajit Kumar Agarwal; GCC Patches Cc: Vinod Kathail; Shail Aditya Gupta; Vidhumouli Hunsigida; Nagaraju Mekala Subject: Re: [Patch,microblaze]: Optimized usage of fint instruction. On 02/25/15 02:20, Ajit Kumar Agarwal wrote: Hello All: Please find the patch for the optimized usage of fint instruction changes. No regression is seen in the deja GNU tests. commit ed4dc0b96bf43c200cacad97f73a98ab7048e51b Author: Ajit Kumar Agarwal ajitkum@xhdspdgnu.(none) Date: Wed Feb 25 15:36:29 2015 +0530 [Patch,microblaze]: Optimized usage of fint instruction. The changes are made in the patch for optimized usage of fint instruction. The sequence of fint/cond_branch is replaced with fcmp/cond_branch. The fint instruction takes 6/7 cycles as compared to fcmp instruction which takes 1 cycles. The conversion from float to int with fint instruction is not required and can directly compared with fcmp instruction which takes 1 cycle as compared to 6/7 cycles with fint instruction. ChangeLog: 2015-02-25 Ajit Agarwal ajit...@xilinx.com * config/microblaze/microblaze.md (peephole2): New. +emit_insn (gen_cstoresf4 (comp_reg, operands[2], + gen_rtx_REG(SFmode,REGNO(cmp_op0)), + gen_rtx_REG(SFmode,REGNO(cmp_op1; Spaces before left parens and after comma in last two lines. Changes are incorporated. Please find the log for updated patch. commit 492b0d0b67a5b12d2dc239de3215630c8838edea Author: Ajit Kumar Agarwal ajitkum@xhdspdgnu.(none) Date: Wed Mar 4 17:15:16 2015 +0530 [Patch,microblaze]: Optimized usage of fint instruction. The changes are made in the patch for optimized usage of fint instruction. The sequence of fint/cond_branch is replaced with fcmp/cond_branch. The fint instruction takes 6/7 cycles as compared to fcmp instruction which takes 1 cycles. The conversion from float to int with fint instruction is not required and can directly compared with fcmp instruction which takes 1 cycle as compared to 6/7 cycles with fint instruction. ChangeLog: 2015-03-04 Ajit Agarwal ajit...@xilinx.com * config/microblaze/microblaze.md (peephole2): New. Signed-off-by:Ajit Agarwal ajit...@xilinx.com Thanks Regards Ajit OK. Committed revision 222790. -- Michael Eagerea...@eagercon.com 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077
Re: [Patch,microblaze]: Optimized usage of fint instruction.
On 03/04/15 03:53, Ajit Kumar Agarwal wrote: -Original Message- From: Michael Eager [mailto:ea...@eagerm.com] Sent: Thursday, February 26, 2015 4:33 AM To: Ajit Kumar Agarwal; GCC Patches Cc: Vinod Kathail; Shail Aditya Gupta; Vidhumouli Hunsigida; Nagaraju Mekala Subject: Re: [Patch,microblaze]: Optimized usage of fint instruction. On 02/25/15 02:20, Ajit Kumar Agarwal wrote: Hello All: Please find the patch for the optimized usage of fint instruction changes. No regression is seen in the deja GNU tests. commit ed4dc0b96bf43c200cacad97f73a98ab7048e51b Author: Ajit Kumar Agarwal ajitkum@xhdspdgnu.(none) Date: Wed Feb 25 15:36:29 2015 +0530 [Patch,microblaze]: Optimized usage of fint instruction. The changes are made in the patch for optimized usage of fint instruction. The sequence of fint/cond_branch is replaced with fcmp/cond_branch. The fint instruction takes 6/7 cycles as compared to fcmp instruction which takes 1 cycles. The conversion from float to int with fint instruction is not required and can directly compared with fcmp instruction which takes 1 cycle as compared to 6/7 cycles with fint instruction. ChangeLog: 2015-02-25 Ajit Agarwal ajit...@xilinx.com * config/microblaze/microblaze.md (peephole2): New. +emit_insn (gen_cstoresf4 (comp_reg, operands[2], + gen_rtx_REG(SFmode,REGNO(cmp_op0)), + gen_rtx_REG(SFmode,REGNO(cmp_op1; Spaces before left parens and after comma in last two lines. Changes are incorporated. Please find the log for updated patch. commit 492b0d0b67a5b12d2dc239de3215630c8838edea Author: Ajit Kumar Agarwal ajitkum@xhdspdgnu.(none) Date: Wed Mar 4 17:15:16 2015 +0530 [Patch,microblaze]: Optimized usage of fint instruction. The changes are made in the patch for optimized usage of fint instruction. The sequence of fint/cond_branch is replaced with fcmp/cond_branch. The fint instruction takes 6/7 cycles as compared to fcmp instruction which takes 1 cycles. The conversion from float to int with fint instruction is not required and can directly compared with fcmp instruction which takes 1 cycle as compared to 6/7 cycles with fint instruction. ChangeLog: 2015-03-04 Ajit Agarwal ajit...@xilinx.com * config/microblaze/microblaze.md (peephole2): New. Signed-off-by:Ajit Agarwal ajit...@xilinx.com Thanks Regards Ajit OK. -- Michael Eagerea...@eagercon.com 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077
RE: [Patch,microblaze]: Optimized usage of fint instruction.
-Original Message- From: Michael Eager [mailto:ea...@eagerm.com] Sent: Thursday, February 26, 2015 4:33 AM To: Ajit Kumar Agarwal; GCC Patches Cc: Vinod Kathail; Shail Aditya Gupta; Vidhumouli Hunsigida; Nagaraju Mekala Subject: Re: [Patch,microblaze]: Optimized usage of fint instruction. On 02/25/15 02:20, Ajit Kumar Agarwal wrote: Hello All: Please find the patch for the optimized usage of fint instruction changes. No regression is seen in the deja GNU tests. commit ed4dc0b96bf43c200cacad97f73a98ab7048e51b Author: Ajit Kumar Agarwal ajitkum@xhdspdgnu.(none) Date: Wed Feb 25 15:36:29 2015 +0530 [Patch,microblaze]: Optimized usage of fint instruction. The changes are made in the patch for optimized usage of fint instruction. The sequence of fint/cond_branch is replaced with fcmp/cond_branch. The fint instruction takes 6/7 cycles as compared to fcmp instruction which takes 1 cycles. The conversion from float to int with fint instruction is not required and can directly compared with fcmp instruction which takes 1 cycle as compared to 6/7 cycles with fint instruction. ChangeLog: 2015-02-25 Ajit Agarwal ajit...@xilinx.com * config/microblaze/microblaze.md (peephole2): New. +emit_insn (gen_cstoresf4 (comp_reg, operands[2], + gen_rtx_REG(SFmode,REGNO(cmp_op0)), + gen_rtx_REG(SFmode,REGNO(cmp_op1; Spaces before left parens and after comma in last two lines. Changes are incorporated. Please find the log for updated patch. commit 492b0d0b67a5b12d2dc239de3215630c8838edea Author: Ajit Kumar Agarwal ajitkum@xhdspdgnu.(none) Date: Wed Mar 4 17:15:16 2015 +0530 [Patch,microblaze]: Optimized usage of fint instruction. The changes are made in the patch for optimized usage of fint instruction. The sequence of fint/cond_branch is replaced with fcmp/cond_branch. The fint instruction takes 6/7 cycles as compared to fcmp instruction which takes 1 cycles. The conversion from float to int with fint instruction is not required and can directly compared with fcmp instruction which takes 1 cycle as compared to 6/7 cycles with fint instruction. ChangeLog: 2015-03-04 Ajit Agarwal ajit...@xilinx.com * config/microblaze/microblaze.md (peephole2): New. Signed-off-by:Ajit Agarwal ajit...@xilinx.com Thanks Regards Ajit Michael Eagerea...@eagercon.com 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077 0001-Patch-microblaze-Optimized-usage-of-fint-instruction.patch Description: 0001-Patch-microblaze-Optimized-usage-of-fint-instruction.patch
Re: [Patch,microblaze]: Optimized usage of fint instruction.
On 02/25/15 02:20, Ajit Kumar Agarwal wrote: Hello All: Please find the patch for the optimized usage of fint instruction changes. No regression is seen in the deja GNU tests. commit ed4dc0b96bf43c200cacad97f73a98ab7048e51b Author: Ajit Kumar Agarwal ajitkum@xhdspdgnu.(none) Date: Wed Feb 25 15:36:29 2015 +0530 [Patch,microblaze]: Optimized usage of fint instruction. The changes are made in the patch for optimized usage of fint instruction. The sequence of fint/cond_branch is replaced with fcmp/cond_branch. The fint instruction takes 6/7 cycles as compared to fcmp instruction which takes 1 cycles. The conversion from float to int with fint instruction is not required and can directly compared with fcmp instruction which takes 1 cycle as compared to 6/7 cycles with fint instruction. ChangeLog: 2015-02-25 Ajit Agarwal ajit...@xilinx.com * config/microblaze/microblaze.md (peephole2): New. +emit_insn (gen_cstoresf4 (comp_reg, operands[2], + gen_rtx_REG(SFmode,REGNO(cmp_op0)), + gen_rtx_REG(SFmode,REGNO(cmp_op1; Spaces before left parens and after comma in last two lines. -- Michael Eagerea...@eagercon.com 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077
[Patch,microblaze]: Optimized usage of fint instruction.
Hello All: Please find the patch for the optimized usage of fint instruction changes. No regression is seen in the deja GNU tests. commit ed4dc0b96bf43c200cacad97f73a98ab7048e51b Author: Ajit Kumar Agarwal ajitkum@xhdspdgnu.(none) Date: Wed Feb 25 15:36:29 2015 +0530 [Patch,microblaze]: Optimized usage of fint instruction. The changes are made in the patch for optimized usage of fint instruction. The sequence of fint/cond_branch is replaced with fcmp/cond_branch. The fint instruction takes 6/7 cycles as compared to fcmp instruction which takes 1 cycles. The conversion from float to int with fint instruction is not required and can directly compared with fcmp instruction which takes 1 cycle as compared to 6/7 cycles with fint instruction. ChangeLog: 2015-02-25 Ajit Agarwal ajit...@xilinx.com * config/microblaze/microblaze.md (peephole2): New. Signed-off-by:Ajit Agarwal ajit...@xilinx.com Thanks Regards Ajit 0001-Patch-microblaze-Optimized-usage-of-fint-instruction.patch Description: 0001-Patch-microblaze-Optimized-usage-of-fint-instruction.patch
