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[PING][PATCH][ARM]Use of vcvt for float to fixed point conversions.
- From: Renlin Li <renlin dot li at arm dot com>
- To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Cc: Ramana Radhakrishnan <Ramana dot Radhakrishnan at arm dot com>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>
- Date: Tue, 03 Dec 2013 16:23:03 +0000
- Subject: [PING][PATCH][ARM]Use of vcvt for float to fixed point conversions.
- Authentication-results: sourceware.org; auth=none
- References: <528CE2F4 dot 9090906 at arm dot com>
Hi Ramana/Richard,
Could you please help to review this patch?
Thanks in advance!
Kind regards,
Renlin Li
On 20/11/13 16:27, Renlin Li wrote:
Hi all,
This patch will make the arm back-end use vcvt for float to fixed
point conversions when applicable.
Test on arm-none-linux-gnueabi has been done on the model.
Okay for trunk?
Kind regards,
Renlin Li
gcc/ChangeLog:
2013-11-20 Renlin Li <Renlin.Li@arm.com>
* config/arm/arm-protos.h (vfp_const_double_for_bits): Declare.
* config/arm/constraints.md (Dp): Define new constraint.
* config/arm/predicates.md ( const_double_vcvt_power_of_two): Define
new predicate.
* config/arm/arm.c (arm_print_operand): Add print for new fucntion.
(vfp3_const_double_for_bits): New function.
* config/arm/vfp.md (combine_vcvtf2i): Define new instruction.
gcc/testsuite/ChangeLog:
2013-11-20 Renlin Li <Renlin.Li@arm.com>
* gcc.target/arm/fixed_float_conversion.c: New test case.