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8 Commits

Author SHA1 Message Date
Zahira Ammarguellat 5def954a5b Support of expression granularity for _Float16. 
Differential Revision: https://reviews.llvm.org/D113107
 2022-08-25 08:26:53 -04:00
Phoebe Wang abeeae570e [X86] Support `_Float16` on SSE2 and up 
This is split from D113107 to address #56204 and https://discourse.llvm.org/t/how-to-build-compiler-rt-for-new-x86-half-float-abi/63366

Reviewed By: zahiraam, rjmccall, bkramer, MaskRay

Differential Revision: https://reviews.llvm.org/D128571
 2022-06-30 17:21:37 +08:00
Ben Langmuir eab2a06f0f Revert "Reland "[X86] Support `_Float16` on SSE2 and up"" 
Broke compiler-rt on Darwin: https://green.lab.llvm.org/green/job/clang-stage1-RA/29920/

This reverts commit 527ef8ca98.
 2022-06-28 10:59:03 -07:00
Phoebe Wang 527ef8ca98 Reland "[X86] Support `_Float16` on SSE2 and up" 
Enable `COMPILER_RT_HAS_FLOAT16` to solve the lit fail.

This is split from D113107 to address #56204 and https://discourse.llvm.org/t/how-to-build-compiler-rt-for-new-x86-half-float-abi/63366

Reviewed By: zahiraam, rjmccall, bkramer

Differential Revision: https://reviews.llvm.org/D128571
 2022-06-28 14:38:56 +08:00
Vitaly Buka 8f7cca90af Revert "[X86] Support `_Float16` on SSE2 and up" 
Breaks buildbot
https://lab.llvm.org/buildbot/#/builders/37/builds/14334

This reverts commit f5d781d627.
 2022-06-27 12:43:29 -07:00
Phoebe Wang f5d781d627 [X86] Support `_Float16` on SSE2 and up 
This is split from D113107 to address #56204 and https://discourse.llvm.org/t/how-to-build-compiler-rt-for-new-x86-half-float-abi/63366

Reviewed By: zahiraam, rjmccall, bkramer

Differential Revision: https://reviews.llvm.org/D128571
 2022-06-27 21:37:30 +08:00
Zahira Ammarguellat fd759d42c9 Revert "The _Float16 type is supported on x86 systems with SSE2 enabled." 
This reverts commit 6623c02d70.
The change seems to be breaking build of compiler-rt on Debian.
 2021-11-23 08:00:57 -05:00
Zahira Ammarguellat 6623c02d70 The _Float16 type is supported on x86 systems with SSE2 enabled. 
Operations are emulated by software emulation and “float” instructions.
This patch is allowing the support of _Float16 type without the use of
-max512fp16 flag. The final goal being, perform _Float16 emulation for
all arithmetic expressions.
 2021-11-19 08:59:50 -05:00